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
Start Up Science 3>Chapter 12 - Light, Sound and Force>Quick Recall

Identify the pleasant and unpleasant sounds from the given picture.

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MEDIUM
3rd CBSE
IMPORTANT
Start Up Science 3>Chapter 12 - Light, Sound and Force>Bingo's Teaser
Can you see light, sound and force?
MEDIUM
3rd CBSE
IMPORTANT
Start Up Science 3>Chapter 12 - Light, Sound and Force>Exercise Time>Q A
What is the difference between luminous and non-luminous objects? Give two examples of each.
MEDIUM
3rd CBSE
IMPORTANT
Start Up Science 3>Chapter 12 - Light, Sound and Force>Exercise Time>Q A
How is shadow formed?
MEDIUM
3rd CBSE
IMPORTANT
Start Up Science 3>Chapter 12 - Light, Sound and Force>Exercise Time>Q A
What is sound?
MEDIUM
3rd CBSE
IMPORTANT
Start Up Science 3>Chapter 12 - Light, Sound and Force>Exercise Time>Q A
Can non-living things produce sound? If yes, give two examples.
MEDIUM
3rd CBSE
IMPORTANT
Start Up Science 3>Chapter 12 - Light, Sound and Force>Exercise Time>Q A
What is force?
MEDIUM
3rd CBSE
IMPORTANT
Start Up Science 3>Chapter 12 - Light, Sound and Force>Exercise Time>Q A
How is force useful to us?