science
Grade6
Easy
Question
Clouds are ____ objects, but lightening is _____.
- Non- luminous, non-luminous
- Luminous, non-luminous
- Luminous, non-luminous
- Non- luminous, luminous
Hint:
Objects which emit light of their own are called Luminous objects. A non-luminous object is one that does not produce its own light.
The correct answer is: Non- luminous, luminous
- Clouds are non-luminous objects, but lightning is luminous.
- Light reflects off of non-luminous objects and bounces into our eyes
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