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JEE Mains 24-Jan-2023 Shift 2 Solved Paper
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Question : 60
Total: 90
Following figure shows spectrum of an ideal black body at four different temperatures. The number of correct statement/s from the following is___
A.
T
4
>
T
3
>
T
2
>
T
1
B. The black body consists of particles performing simple harmonic motion.
C. The peak of the spectrum shifts to shorter wavelength as temperature increases.
D.
T
1
v
1
=
T
2
v
2
=
T
3
v
3
≠
constant
E. The given spectrum could be explained using quantisation of energy.
[24-Jan-2023 Shift 2]
Your Answer:
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Solution:
The spectrum of Black body radiation is explained using quantization of energy. With increase in temperature, peak of spectrum shifts to shorter wavelength or higher frequency. For above graph
→
T
1
>
T
2
>
T
3
>
T
4
.
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