EASY
3rd CBSE
IMPORTANT
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Identify the pleasant and unpleasant sounds from the given picture.

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Important Questions on Light, Sound and Force

EASY
3rd CBSE
IMPORTANT

Identify the pleasant and unpleasant sounds from the given picture.

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MEDIUM
3rd CBSE
IMPORTANT
Can you see light, sound and force?
MEDIUM
3rd CBSE
IMPORTANT
What is the difference between luminous and non-luminous objects? Give two examples of each.
MEDIUM
3rd CBSE
IMPORTANT
How is shadow formed?
MEDIUM
3rd CBSE
IMPORTANT
Can non-living things produce sound? If yes, give two examples.
MEDIUM
3rd CBSE
IMPORTANT
How is force useful to us?