Since sun is faraway from the earth, the sun rays can be assumed parallel when they reach the earth surface.

True

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

False

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

Suggest Corrections

Similar questions

It takes time 8 min for light to reach from the sun to the earth surface. If speed of light taken to be 3 $\times$ 10 $^{8}$ ms $^{- 1}$ , find the distance from the sun to the earth in km.

Q. Since sun is faraway from the earth, the sun rays can be assumed parallel when they reach the earth surface.

when Earth radiates infra red rays, they are radiated back by atmosphere,

so when sun rays come down , are they also radiated back to sun by atmosphere without reaching the earth's ground?

Q. Heat rays reach the earth from the sun through

Q. Let us assume that sun radiates like a black body with surface temperature at

T s = 6000 K

and earth absorbs radiations coming from sun only. If both earth and sun are considered as perfect spheres with distance between centre of earth and centre of sun to be

200

times the radius of sun. Find the temperature (in Kelvin) of surface of earth in steady state (assume radiations incident on earth to be almost parallel)

Join BYJU'S Learning Program