The plots of intensity versus wavelength for three black bodies at temperatures T1, T2 and T3 respectively are as shown. Their temperature are such that

Question

The plots of intensity versus wavelength for three black bodies at temperatures T1, T2 and T3 respectively are as shown. Their temperature are such that (A) T 1> T 2> T 3 (B) T 1> T 3> T 2 (C) T 2> T 3> T 1 (D) T 3> T 2> T 1

Tardigrade Admin · Accepted Answer

According to Wienâs law, λm propto (1/T) From the graph (λm)1<(λm)3<(λm)2 Therefore T1>T3>T2.

Q. The plots of intensity versus wavelength for three black bodies at temperatures $T_{1}, T_{2}$ and $T_{3}$ respectively are as shown. Their temperature are such that

$T_{1} > T_{2} > T_{3}$

$T_{1} > T_{3} > T_{2}$

$T_{2} > T_{3} > T_{1}$

$T_{3} > T_{2} > T_{1}$

According to Wien’s law,
$λ_{m} \propto \frac{1}{T}$
From the graph $(λ_{m})_{1} < (λ_{m})_{3} < (λ_{m})_{2}$
Therefore $T_{1} > T_{3} > T_{2} .$

Q. The plots of intensity versus wavelength for three black bodies at temperatures T1​,T2​ and T3​ respectively are as shown. Their temperature are such that

T1​>T2​>T3​

T1​>T3​>T2​

T2​>T3​>T1​

T3​>T2​>T1​