A) \[{{\lambda }_{1}}\]
B) \[{{\lambda }_{2}}\]
C) \[{{\lambda }_{1}}\,\text{and}\,{{\lambda }_{2}}\]
D) \[{{\lambda }_{1,}}{{\lambda }_{2,}}{{\lambda }_{3}}\,\text{and}\,{{\lambda }_{4}}\]
Correct Answer: D
Solution :
A substance can absorb all those wavelengths on cooling which it can emit at high temperature. Hence, it will absorb\[{{\lambda }_{1}},{{\lambda }_{2}},{{\lambda }_{3}}\]and\[{{\lambda }_{4}}\].
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