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Question

Iron glows in red colour when it is heated to very high temperature. The reason for this is :

A

Heat we supply consumes red colour at high temperature

B

Mechanical energy is being converted into heat energy

C

All metals glow in red colour when heated

D

Heat energy is being converted into light energy

Easy

Solution

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Correct option is
D

Heat energy is being converted into light energy

Iron glows in red colour when it is heated to very high temperature cause heat energy is being converted into light energy.

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