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  4. A piece of blue glass heated to a high temperature and a piece o f red glass at room temperature, are taken inside a dimly lit loom, then

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Q. A piece of blue glass heated to a high temperature and a piece o f red glass at room temperature, are taken inside a dimly lit loom, then

AFMCAFMC 2012

Solution:

According to Stefan's law the energy emitted by a body per second 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.