Answer» 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.
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