Question

The objects which emit light on their own like the Sun are called ______ bodies.
1. Transparent
2. Opaque
3. Luminous
4. Translucent

Answer 1

Correct Answer - Option 3 : Luminous

• Objects that emit light on their own are called luminous objects.

• The light emitted by luminous objects allows us to see things around us.
• Examples of luminous objects are tube light, the sun, a lit candle, a glowing bulb, etc.

• Translucent objects are the objects through which we can see but not very clearly.
  • Translucent objects allow a part of incident light to pass through it.
  • Examples for translucent objects are: Oil paper, Butter paper, wax paper, ground glass, thin sheets of plastic.
• Transparent objects are the objects through which we can see clearly.
  • Transparent objects allow the incident light to pass through it.
  • Examples for transparent objects are: glass, air, and water.
• Opaque objects are the objects through which we cannot see at all.
  • Opaque objects do not allow the incident light to pass through it.
  • Examples for opaque objects are: Cardboard, stone.