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Physics
The temperature of an object that emits electromagnetic radiation must be
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Q. The temperature of an object that emits electromagnetic radiation must be
AIIMS
AIIMS 2015
Electromagnetic Waves
A
higher than 0$^{\circ}$C
B
higher than 0 K
C
higher than that of its surroundings
D
high enough for it to glow
Solution:
Correct answer is (b) higher than 0 K