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

Question

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 (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

Tardigrade Admin · Accepted Answer

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.

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

the blue piece will look blue and red will look as usual

red looks brighter red and blue looks ordinary blue

blue shines like brighter red compared to the red piece

Both the pieces will look equally red

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.