AIIMS2001Physics-Radiation

AIIMS 2001 Physics Blackbody Radiation MCQ Question

Type: MCQ-conceptual-Medium-Class 11

For an enclosure maintained at 1000 K, the maximum radiation occurs at wavelength λₘ. If the temperature is raised to 2000 K, the peak will shift to

A

5/2 λₘ

B

1/2 λₘ

C

7/2 λₘ

D

3/2 λₘ

Correct Answer

Option B

Detailed Explanation

According to Wien's displacement law, the peak wavelength is inversely proportional to the temperature. Doubling the temperature halves the wavelength.

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