Multiple choice

By which of the following ways can a non-luminous body be made luminous?

  1. Cooling

  2. Melting

  3. By placing it near the luminous body

  4. Heating

  5. A non-luminous body can never be made luminous

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

As the temperature rises ,frequency of radiations increases and soon the object will glow red and can be seen.