A rectangular body has maximum wavelength $\lambda_m$ at $2000 \mathrm{~K}$. Its corresponding wavelength at $4000 \mathrm{~K}$ will be:

JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

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A rectangular body has maximum wavelength

\lambda_m

2000 \mathrm{~K}

. Its corresponding wavelength at

4000 \mathrm{~K}

will be:

View answer and explanation

Correct option: A

\frac{1}{2} \lambda_m

Option A (

\frac{1}{2} \lambda_m

) is correct because it is the wavelength calculated using Wien's displacement law, which states that the product of the peak wavelength and temperature is constant.

JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

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