Q 11-10-044NEETJEE MainEasy
The surface temperature of a black body is doubled. The wavelength at which it radiates most strongly
Answer: (C) is halved
Concept. Wien's displacement law: $\lambda_mT = $ constant.
Step 1. Apply. Doubling $T$ halves $\lambda_m$ (the colour shifts towards blue).
Answer. Is halved (Option C).
Solution by Sreeraj P, M.Sc Physics