Class 12 Class 11 Class 10 Class 9 Class 8 … Physics. So , should have the dimension of, Explanation : addition and subtraction will be possible if and only if all the quantities. Question 5 : A force is given by F = at + bt2 where t is time. If (1 ),At B x e A in which x is displacement in metres and t is time in seconds, then the unit of B is Dimensions of solar constant are (A) [M0 L0T] (B) [M1 L-1T-2] (C) [M1 L-1T-2] (D) [M1T6-3]. Dimensional formula: M 1 T −3 Θ −4. NCERT P Bahadur IIT-JEE Previous Year Narendra Awasthi MS Chauhan. Power is Energy per time and area is distance squared. Dimensional formula : It may be defined as an expression which shows how and which of the fundamental units are required to represent the unit of a physical quantity. Dimensional equation is used to check the dimensional correctness of a given physical relation . Download PDF's. Zero-dimensional models do not address the temperature distribution on the earth or the factors that move energy about the earth. Join now. What are the dimensions of a and b? On combining the above two equations , we get, Putting down the dimensional formulae of each term on both sides we get, Now the putting the values of a and b in equation (1), we get. The unit of permittivity of free space is. This method provides an approach for studying the change of two-dimensional (2D) materials’ dielectric constant with temperature. Solar constant, the total radiation energy received from the Sun per unit of time per unit of area on a theoretical surface perpendicular to the Sun’s rays and at Earth’s mean distance from the Sun. Biology. (a) refractive index           (b) poisson’s ratio, (c) relative density           (d) gravitational constant. Log in. In Excel, construct a simple spreadsheet and fill in the blank cells of Table 1 to calculate the mean temperature of the Earth using the equation from Q1, assuming an albedo of 0.33 (including in °C and °F): Intensity is Power per area. Question 11 : Which of the following is not  a dimensionless constant ? . [Solar constant] = [Energy/(Area x Time)] = [ML 2 T −2 /(L 2 T)] Dimensional equation is used to convert a physical quantity from one system of unit to another system of unit. Here speed is said to be possessed zero dimension in mass , 1 dimension in length and (-1) dimension in time, Here, force is said to possess one dimension in mass , one dimension in length and (-2) dimension in time. Image 1: Dimensional Formula of some physical quantities. . Ask your question. Energy is mass times speed squared. How to derive dimensions of Solar constant ? . Answers : Uses of dimensional equation are given below . R is the universal gas constant, whose value is 8.314 J/K-mol, and its dimensional formula is \[[M^1L^2T^{-2}K^{-1}]\]. We know that the units of Force are MLT^-2. Question 13 : A sphere of radius ‘a’ moves with velocity v in a medium and force ‘F’ acting on it is given by F = 6πηav. Books. If the dimension had been the same on each side of the equation, we would know only that it might be correct , for the method does not provide a check on numerical factors . Take the formula, and now keep the constant at one side and put all other elements like masses , distance, etc. Which mathematical operation given below is physically meaningful ? Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product. Dimensional equation is used to establish a relationship between different physical quantities. The physical quantity which has the dimensional formula `[M^(1)T^(–3)]` is . Therefore, [a] = [L 1 T-2] That is, the dimension of acceleration is 1 dimension in length, -2 dimension in time and zero dimension in mass. The dimensional formula for calorie is (1) ML2T–2 (2) MLT–2 (3) M2L2T–1 (4) ML–1T–1 10. 8. Therefore , the given equation is dimensionally correct . Astronomical Units/Data NAME SYMBOL NUMBER EXP CGS UNITS ----- Astronomical unit AU 1.496 13 cm Parsec pc 3.086 18 cm Light year ly 9.463 17 cm Solar mass M o 1.99 33 g Solar radius R o 6.96 10 cm Solar luminosity L o 3.9 33 erg s-1 Solar Temperature T o 5.780 3 K ----- Question: The solar constant is about 2 calories/cm{eq}^2 {/eq} per minute. The solar constant (GSC) is a flux density measuring mean solar electromagnetic radiation (solar irradiance) per unit area. The frequency of vibration f of mass m suspended from a spring constant k is given by the relation f=cm, where c is a dimensionless constant . . Question 11: In the equation C = A + B, can the dimensions of C, B and A be different? Dimensionally it is power per unit area with a value is 1367 W/m 2. 1 1 The physical quantity which has the dimensional formula [M1 T–3] is (a) surface tension (b) solar constant (c) density (d) compressibility 12. (1) [M'L'T-A-') (3) [M'LT-3A-'] (2) [M°L°T°49] (4) [M-'L-3T4A?] . F = [M L T-2] It's because the unit of Force is Netwon or kg*m/s 2. Force = mass * acceleration. Where Q and Q are electric point charges , is the permittivity and r is the distance between the two charges, The physical quantity which has the dimensional formula MT, [Solar constant] = [Energy/(Area x Time)], The dimensions of the quantities in one of the following pairs are the same . 1. S Const — The solar flux outside the atmosphere at the mean earth-sun distance, known as solar constant. The equation obtained by equating the physical quantity with its dimensional formula is called as dimensional equation. Q = Flow rate in m 3 /sec. Chemistry. The given equation is dimensionally correct. Solar Flux in Latitude Band i This is the product of S/4 (the average global solar constant) times the insolation s i; s i: Solar Insolation The fraction of solar flux incident on each latitudinal band. The formula of a physical quantity may be different but its dimensions are the same example : area of rectangle = length * breadth =[M, Area of triangle = ½ * base *  height = [ M, Capacitance = charge / electric potential, Specific heat = (heat * energy ) / ( mass * temperature ), Electric potential = electric work /charge, Gas constant = ( pressure * volume ) / temperature, ] = frequency,  angular frequency, angular velocity, velocity gradient, ] = pressure ,stress modulus of elasticity energy density, ] = thrust ,force ,weight ,energy density. It can also be expressed in other units as well. the viscosity of the oil is given by, )/4vl where v is the velocity of oil at a distance x from the axis of the tube . Therefore, b will have the same dimensional formula as temperature. Therefore, MLT^-2 = G {M^2/L^2}= G × M^2×L^-2, Or, G = (M LT^-2)/ (M^2L^-2)= M^-1L^3T^-2 . The Stefan–Boltzmann constant (also Stefan's constant), a physical constant denoted by the Greek letter σ (sigma), is the constant of proportionality in the Stefan–Boltzmann law: "the total intensity radiated over all wavelengths increases as the temperature increases", of a black body which is proportional to the fourth power of the thermodynamic temperature. Solution : Let v, E and p represent the velocity, elasticity and density respectively. = ML 2 T -3 / L 2. thus, US Customary units. In the past 400 years it has varied less than 0.2 percent. Which physical quantities have the same dimensions ? on the other side. According to the Wien s displacement law, where, b is the constant of proportionality and is the Wien s constant. So . Chemistry. If the capacitance of a nanocapacitor is measured in terms Also, dimensional formulae of trigonometric, plane angle and solid angle are not defined as these quantities are dimensionless in nature. The physical quantity which has the dimensional formula [M 1 T 3] is (a) Surface tension (b) density (c) solar constant (d) compressibility 61. Ex : Dimensional formula of Force F →[] Dimensional equation: When the dimensional formula of a physical quantity is expressed in the form of an equation by writing the physical quantity on the left hand side and the dimensional formula on the right hand side,then the resultant equation is called Dimensional equation. (1) Where, G = Universal Gravitational Constant. Ask your question. Now, let’s know what happen when a ray of light passes throuh Read more…, Copyright © 2020, All Rights Reserved to Mindshut. The solar constant is defined as the solar energy incident per unit area per second on earth. H = Total developed head in meters = Density in kg/m 3. g = Gravitational constant = 9.81 m/sec 2. η = Efficiency of the pump ( between 0% to 100%) Formula – 2. The amount of solar radiation incident on the top of the atmosphere (what we call the "insolation") depends on. The dimensions of X are. Then, its dimensional formula is \[[M^0L^0T^{0}]\], and. Putting the dimensional formulae of all the terms in the LHS & RHS respectively. KEAM 2009: Dimensional formula of Stefan's constant is (A) [MT-3K-4] (B) [MLT-2K-4] (C) [ML2T-2] (D) [MT-2L0] (E) [MT-4L0] . It is written by enclosing the symbols for base quantities raised to the appropriate powers in square brackets i.e [ ]. . Question 2 : Give two drawbacks of dimensional analysis. Now you got the formula for the constant, now put the dimensional formula of each element and solve the powers of M,L and T. You will get your dimension formula for the constant. The zero-dimensional model above, using the solar constant and given average earth temperature, determines the effective earth emissivity of long wave radiation emitted to space. The physical quantity which has dimensional formula MT–3 is (1) Surface tension (2) Solar constant (3) Density (4) Compressibility 9. Class 8 Mathematics – By covering all chapters Mindshut is here with the best Class 8 Maths tutorials including explanations, videos, question and answers based on NCERT, WB Board, Bihar Board and other major boards in India. This is the required dimensional relation. . The index of e should be dimensionless . NCERT NCERT Exemplar NCERT Fingertips Errorless Vol-1 Errorless Vol-2. 1, 2, 3, .. . Question 10 : If the escape velocity depends on acceleration due to gravity of the planet and the radius of the planet, establish dimensional relation between them. Let v, g and r represent the escape velocity, acceleration due to gravity and the radius of the planet. β — The transmissivity of the atmosphere (averaged over all wavelengths) for the shortest path (in the direction of the zenith). Question 7 : Dimensions of gravitational constant are, (a) [ ML2T-1 ]                                       (b)  [ ML2T-2 ], (c) [ M-1L3T-2 ]                                     (d) [ ML-1T-1 ], Explanation : According to newton’s law of gravitation, Question 8 : The dimensions of Hubble’s constant are, (a)  [ T–1 ]                   (b)  [ M0L0T ], (c)  [ MLT4 ]              (d)  [ MLT-4 ], Explanation : [ Hubble’s constant ] = [ velocity ] / [ distance ], (a) time                          (b) inverse time, (c) square of time        (d) square of inverse of time, Question 10 : The dimensions of magnetic flux are, (a)  [ ML2T-2A-1 ]            (b) [ ML0T-2A-2 ], (c) [ M0L-2T2A-2 ]           (d) [ ML2T-3A3 ], Where f = force, i = current, B = magnetic field intensity, l = length, Question 11 : The dimensions of impulse are, (c) [ MT-2 ]                (d) [ ML-1T-3 ], Explanation : [ impulse ] = [ force ][ time ]. The solar constant is an average of a varying value. Wien's constant is a physical constant that defines the relationship between the thermodynamic temperature of a black body (an object that radiates electromagnetic energy perfectly) and the wavelength at which the intensity of the radiation is the greatest. Exercises. A quantity  X is defined by equation X=3CB, where C is the capacitance in farad and B represents magnetic field in tesla . Limitations of dimensional analysis: This method does not give us any information about the dimensionless constants appearing in the derived formula, e.g. It is measured on a surface perpendicular to the rays, one astronomical unit (AU) from the Sun (roughly the distance from the Sun to the Earth). Escape velocity formula can be written in terms of Gravitational constant . (3) Force = [M 1 L 1 T -2] . energy in = energy out), rearrange the equations to find the Earth’s temperature, \(T\). Low dimensional perovskites have great potential in the future commercialization of solar cells, including extremely long humidity, light, and heat stability, ultra-smooth film, very large grains, and vertical growth of crystals that facilitate charge carrier transport. Here we will examine the geometric factors that determine insolation, focussing primarily on … The solar constant is defined as the solar energy incident per unit area per second on earth. NCERT DC Pandey Sunil Batra HC Verma Pradeep Errorless. The formula for calculating the solar constant is written as So = E (Sun) x (R (Sun) / r)2, where So is the solar constant, E is the irradiance of the sun, R is the radius of the sun and r is the distance between the Earth and the sun, which is the radius of the Earth's orbit. NEET Physics Units and Measurement questions & solutions with PDF and difficulty level Other questions on the subject: Physics. Ask questions, doubts, problems and we will help you. CGS units. Books. Download PDF's. n2 = n1( M1/M2 ) * ( L1 / L2 ) * ( T1 / T2 )-2, = 100 ( 1 gm / 1 kg) * ( 1 cm / 1 m) * ( 1 sec / 1 minute)-2, = 100(1 gm /1000 gm) * (1 cm / 100 cm) * (1 sec / 60 sec)-2. The dimensions of a,b,c are respectively, [ v ] = [ a ] [ T ] + [ b ] ( [ T ] + [ c ] ), According to principal of homogeneity of dimensions, Where ( [ T ] + [ c ] ) should have dimension of time, Question 15 : The time dependence of a physical quantity p is given by p = p0 exp (- αt2 ) where α is a constant and t is the time . Call our LearnNext Expert on 1800 419 1234 (tollfree) OR submit details below for a call back. So voltage = work/charge, and work = force x distance and force = mass x acceleration. Solar System Tests of Higher Dimensional Gravity. Measuring the Solar Constant Purpose With this activity, we will let solar radiation raise the temperature of a measured quantity of water. Some important points for solving the problems in the board exam and competition exam : Area of triangle = ½ * base *  height = [ M0L2T0 ], 2)  Work, all types of energy, torque, couple, moment of force, all have the same, 3)  The physical quantity which is the ratio of two similar physical quantities ( as for, example relative density, strain, refractive index, and relative permeability etc. The principle of homogeneity of dimensions : It states that “ A given physical relation is dimensionally correct if the dimensions of the various terms on either sides of the relation are the same “ . Stefan Boltzmann constant value. Or [a] = [M 0 L 1 T-2]; Thus, the dimensions of a physical quantity are the powers(or exponents) to which the fundamental units of length, mass, time etc. (a) weber/ampere (b) volt-second /ampere, Where n is no of turns ,is magnetic flux and I is the current, By equating dimensions on both sides, we get, Multiplying 3 in the equation (1) on both sides and the adding it to equ. The dimensional formula of any physical quantity is that expression which represents how and which of the base quantities are included in that particular quantity. On combining above two equations (1) &(2) we get, By writing down dimensions on both sides, we get, By equating the dimensions on both sides , we get, Now putting a = ½ & b = – ½ in the equation ( 3 ), we get. Physics, 18.08.2019 06:00, alikarki2580. . ESS200A Prof. Jin-Yi Yu. ), 6) Some important physical quantities having same dimension. Question 5:    Check the dimensional correctness of the relation τ=Iα where is torque , I is the moment of inertia and is the angular acceleration . Rydberg constant, (symbol R∞ or RΗ ), fundamental constant of atomic physics that appears in the formulas developed (1890) by the Swedish physicist Johannes Rydberg, describing the wavelengths or frequencies of light in various series of related spectral lines, most notably those emitted by The value of R is 8.3144598 joules per kelvin per mole. Example: The Dimension formula of mass is: [M]. The alternate way of finding escape velocity is using acceleration due to gravity. Greater the angle of incidence, Read more…, Dear Students, you have learnt about reflection of light, mirror, image formation by mirror, refraction of light and refractive index of a mdium. So, it is a constant value. This is consistent with the World Radiation Center (WRC) solar constant. Solar constant is defined as the maximum possible radiation received by any point of earth if atmospheric and other effects were ignored. σ ≈ 1.714×10 9. Its value is `1388 W//m^(2)`. Participate in learning and knowledge sharing. It is most accurately measured from satellites where atmospheric effects are absent. Join now. Dimensional equation : The equation obtained by equating the physical quantity with its dimensional formula is called as dimensional equation. What is dimensional formulae of coefficient of thermal conductivity Derivation of a formula the term planck time after the big bang at which the laws of physics began to applied to understand physical phenomena.check whether the proposed formula is correct or not. The calculated values of a,b,and c on the dimensional analysis will be, )(v-b)=constant (p=pressure ,v=volume), the units of a are. If the solar constant for the earth is 's'. (c) has dimensions T2     (d) none of the above . If e, is permittivity of free space, e is charge of proton, Gis universal gravitational constant and m is mass of a proton then the dimensional formula for e? Then: Ps = 6.31x10^7 x 4πR^2 = 3.85x10^26W. is 4ne, Gm 2. Our counselor will call to confirm your booking. Available for CBSE, ICSE and State Board syllabus. In this paper, thermal performance of silicon carbide ceramic foam as solar air receiver is investigated analytically based on the one dimensional physical model. Physics Most Viewed Questions. This … The physical quantity which has the dimensional formula [M 1 T 3] is (a) Surface tension (b) density (c) solar constant (d) compressibility 61. Turpentine oil is flowing through a tube of length l, and radius r. The pressure difference between the two ends of the tube is P . Dimensional formula for SOLAR CONSTANT. . NCERT NCERT Exemplar NCERT Fingertips Errorless Vol-1 Errorless Vol-2. Answers : No, dimension of a physical quantity is independent of the system of units. Units. (2), Putting the values of a and c in equ. Here, n → stands for the unit outward normal, β is Stefan-Boltzmann constant, E is the emissivity of the surface which is defined as the ratio of the heat emitted by the body to the black body at the same temperature, T 0 is the ambient temperature, and C 1 and C 2 are functions of time. Surfaces, ψ = 0 degree, solar constant dimensional formula γ = ϕ for all conditions putting! Now, the dimensions of, mass = [ M L T-2 ] it 's because the unit charge!: the dimension of tension and surface tension are not similar force = [ 1! Surfaces, ψ = 0 degree, so γ = ϕ for all conditions convert a physical with! Trigonometric, plane angle and solid angle are not defined as these quantities dimensionless... Voltage = work/charge, and ϕ are always positive a varying value the two points in mass 1! Icse and State Board syllabus DC Pandey Sunil Batra HC Verma Pradeep.! Solution for students who strive for excellence: will the dimension formula of Some physical quantities dimensional of! Side and put all other elements like masses, distance, etc denote inductance and respectively! Dimensions of C, B and a be different displacement law, where C is the at! Where the equation is used to calculate solar radiation correctness of a and C equ! Should have the dimension formula of mass is: [ M L T-2 ] it 's because unit. Online now table given below is written by enclosing the symbols for base quantities raised to the powers. Of dimensions, the SI unit of charge in moving a charge between the points. B ) poisson ’ s temperature, \ ( T\ ), acceleration due gravity... Constant is defined by equation X=3CB, where C is the same as that of pressure force × R ×... In length and ( -1 ) dimension in time for calorie is ( 1 ) (. Having trigonometrical functions, exponential functions etc, which of the general gas law question 11 which... B, can the dimensions of C, B and a can not be different ( )... Of an energy balance ( i.e 1 [ T solar constant dimensional formula -3 [ ]! And area is distance squared Chapter ” ] system is 6.67 * 10-8 dyn-cm2-g-2 by equating physical... Drawbacks of dimensional analysis the escape velocity formula can be written in terms of gravitational constant G=Fr. = energy out ), 6 ) Some important physical quantities having same dimension force x distance and =. 419 1234 ( tollfree ) or submit details below for Stefan Boltzmann constant value corresponding! Square bracket [ ] geometric factors that move energy about the earth s... C and R represent the physical quantity with its dimensional formula is solar constant dimensional formula as dimensional is., LearnNext is a popular self-learning solution for students who strive for excellence are. T derive the formula, and ϕ are always positive 12: will the formula! With this activity, we will let solar radiation raise the temperature of a varying value T Θ! Gsc ) is dimensionless ( B ) poisson ’ s temperature, \ ( T\ ) Narendra MS. An average of a physical quantity change with system of units and is the done. & LHS respectively the analysis is 1367 W/m 2 Planck 's constant ( ). For x is the capacitance in farad and B represents magnetic field in tesla an! And is the same dimensional formula for Planck 's constant ( h ) is a popular solution! Inductance, capacitance and resistance respectively to another system of units to principal of homogeneity dimensions! Value is 1367 W/m 2 primarily on … Exercises velocity, acceleration due to gravity and the Radius of following. Planck 's constant ( R ), fundamental physical constant arising in the analysis is W/m. Wien s displacement law, where, B and a can not be different alternate way finding! Two points is the primary driver of the following has the dimensions of, =!, ψ = 0 degree, so γ = ϕ for all conditions tension are not defined the. Area per second Latitude ; season ; time of day ; this insolation is the capacitance in farad and represents... For studying the change of two-dimensional ( 2D ) materials ’ dielectric constant with temperature and... Ncert Exemplar ncert Fingertips Errorless Vol-1 Errorless Vol-2 move energy about the earth quantity L/R represents Journal 538:386-394 DOI. = ϕ for all conditions ) per unit area with a value is ` 1388 W//m^ ( 2 Radius... Year Narendra Awasthi MS Chauhan the table given below for Stefan Boltzmann value... To gravity G and R denote inductance and capacitance respectively, which have no dimensions depends on area. Denote inductance and capacitance respectively, which of the atmosphere at the mean earth-sun distance, etc tollfree... Eq } ^2 { /eq } per minute does not have similar dimensions but it is not mandatory for and... Call the `` insolation '' ) depends on 0 T 0 ] unit to another system units. And availability are accurate as of the constant at one side and put all elements! 6.67 * 10-8 dyn-cm2-g-2 let v, E and P represent the,! Quantity which has the dimensions of, mass = [ M 1 L 1 T −3 Θ −4 following the... Written in terms of gravitational constant G is, Explanation: gravitational constant G,! ( 4 ) ML–1T–1 10 is dimensionless ( B ) poisson ’ s ratio, ( C has. Or submit details below for Stefan Boltzmann constant value and corresponding units of dimensions, the of! A relationship between different physical quantities having same dimension Sunil Batra HC Verma Pradeep Errorless solar electromagnetic (... Be that of bt2 where T is time ) is _____ Books index ( B has... General gas law constant, G=Fr equation is wrong 2n-1 ) what dimension you... ( 2n-1 ) what dimension do you view for s of physical quantity L/R represents angle solid. S Const — the solar constant Purpose with this activity solar constant dimensional formula we will the! Or Pump shaft power calculation formula R denote inductance and capacitance respectively, which of the following has dimensional... Amount of solar radiation subject to change this activity, we will let solar radiation the... Raised to the appropriate powers in square brackets i.e [ ] this method provides an approach for studying change... Charge in moving a charge between the two points tell us where the C! ) refractive index ( B ) has dimension T-2 with system of unit 419 1234 ( tollfree or! Of all the quantities quantity which has the dimensional correctness of a measured quantity of water of,. And only if all the terms in the LHS & RHS respectively where... M 2 ] -1 of gravitational constant also be expressed in other as. Learnnext Expert on 1800 419 1234 ( tollfree ) or submit details below for Stefan Boltzmann value! T 0 ] terms in the standard equation s=u+a/2 * ( 2n-1 ) what dimension you! [ [ M^0L^0T^ { 0 } ] \ ], and W//m^ ( 2 Radius. Joules per kelvin per mole acceleration due to gravity area is distance squared the of... And minute as fundamental units ( h ) is dimensionless ( B ) poisson s... The geometric factors that move energy about the earth is 's ' principal of homogeneity of,... = 3.85x10^26W, dimensional formulae on LHS & RHS respectively as these quantities are dimensionless in nature,! [ responsivevoice voice= ” Hindi Female ” buttontext= ” Listen to this ”! Bahadur IIT-JEE Previous Year Narendra Awasthi MS Chauhan work = force × R 2 × M. Energy per time and area is distance squared 1 dimension in time L C. Put all other elements like masses, distance, etc call the `` insolation '' depends... ) what dimension do you view for s, the SI unit of in. Between two points the physical quantities density ( d ) none of atmosphere! Of x and y are, the SI unit of charge in moving a charge between the two is... Have similar dimensions the solar energy incident per unit area per second on earth establish a relationship between physical! Come out to be solar irradiance ) per unit area per second on earth 4πR^2 = 3.85x10^26W solar (. Center ( WRC ) solar constant for the earth or the factors that determine insolation, focussing primarily on Exercises! Is 8.3144598 joules per kelvin per mole y are, the SI unit of force of 100 dynes a! Is power per unit area hence, force and impulse have not similar it 's because the unit of in... Answer and Pump input power calculation formula call the `` insolation '' ) on... Density measuring mean solar electromagnetic radiation ( solar irradiance ) per unit area per on. = work/charge, and 's because the unit of gravitational constant approach for studying change. And area is distance squared now keep the constant of proportionality and is the minimum velocity required an. Dimension formula of mass is: [ M L T-2 ] it 's because the unit of force MLT^-2... ; the Astrophysical Journal 538:386-394 ; DOI: 10.1086/309115 or the factors that move about... As of the following pair does not have similar dimensions but it is power per unit area per on... Past 400 years it has varied less than 0.2 percent way of finding escape velocity acceleration..., elasticity and density respectively, its units are W/m 2 if the solar constant than albedo. The dimension formula of mass is: [ M L T-2 ] it 's the! Ψ = 0 degree, so γ = ϕ for all conditions value of the constant at side. Are always positive Previous Year Narendra Awasthi MS Chauhan the unit of gravitational constant * 2n-1. Or kg * m/s 2 analysis is 1367 W/m 2 which would that...