A) the blue piece will look blue and red will look as usual
B) red looks brighter red and blue looks ordinary blue
C) blue shines like brighter red compared to the red piece
D) both the pieces will look equally red
Correct Answer: C
Solution :
According to Stefans law the energy emitted by a body per sec, is directly proportional to the fourth power of the temperature of the body. Here the temperature of blue glass is more than that of red glass, so it will look brighter.
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