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Subjects
Science CBSE
Class 8 New
Pressure, Winds, Storms, and Cyclones
Textbook Based Questions
4.
Activity - Liquid pressure
Exercise condition:
3
m.
Help
Deepak
to
select
the correct answers:
1.
If oil is used instead of water in the tube, how will the balloon behave?
The balloon will bulge less because oil has lower density compared to water
The balloon will bulge less because oil has higher density compared to water
The balloon will bulge more because oil has higher density compared to water
The balloon will bulge more because oil has lower density compared to water
2.
If the water level is doubled, how will the pressure on the balloon change?
Decrease because the water spreads out inside the tube
The pressure on the balloon will become zero because the water balances itself
Decrease because pressure is directly proportional to the height of the liquid column
Increase because pressure is directly proportional to the height of the liquid column
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