A blackbody initially radiates power per unit area at a temperature for which

PHYSICS · Subjective · CBSE · Physics · Thermal Properties of Matter · Thermal Properties of Matter

Problem

A blackbody initially radiates power per unit area

R_1

at a temperature for which

\lambda_{\max}=700\,\text{nm}

. If its emissive power per unit area later rises to

R_2=9R_1

, find the new value of

\lambda_{\max}