Certain substance emits only the wavelengths 
and 
when it is at a high temperature. When this substance is at a colder temperature, it will absorb only the following wavelengths
A
B
C
and 
D
and 
Text Solution
Verified by ExpertsThe correct answer is:
D
A substance can absorb all those wavelengths on cooling which it can emit at high
temperature.
Hence, it will absorb 
and 
.
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