A surface at temperature T0 Kelvin receives power P by radiation from a small sphere at temperature T >>T0 and at a distance d. If both T and d are doubled, the power received by the surface will become approximately

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

answer is 3.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

P α T4d2When T and d are doubled, power received by the surface P' α 2T42d2α 4T4d2⇒ P'=4P

Watch 3-min video & get full concept clarity