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Conventional Sources of Energy

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The dimensions of solar constant (energy falling Earth per second per unit area ) are

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Q. The Solar constant is defined as the energy incident per unit area per second. The dimensional formula for solar constant is

Q. The amount of solar energy received on the earth's surface per unit time is defined as solar constant. The dimension of solar constant is:

The average amount of Solar energy reaching the upper atmosphere of earth per second on an area of $1 m^{2}$ is called ___.

Q. Which of the following is approximately the rate of solar energy (in

K W)

m^{2}

on the surface area of the earth?

Q. Solar constant is the amount of solar energy incident perpendicularly per unit time on unit surface area of the earth at an average distance between the Sun and the earth. Its value in

S_{0} = 1340 w / m^{2}

. Here calculate temperature of the Sun's surface.
Radius of the Sun

R_{s} = 7 \times 10^{8} m

Average distance between the earth and the Sun

R_{0} = 1.5 \times 10^{11} m

σ = 5.67 \times 10^{- 8} W m^{- 2} K^{- 4}

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