Physics [NSTSE (National Science Talent Search Exam- Unified Council) Class 8]: Questions 30 - 33 of 219

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Question number: 30

» Physics » Force and Pressure

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MCQ▾

Question

Pressure due to water is higher at:

Choices

Choice (4)Response

a.

Exact middle of depth of sea

b.

Bottom of sea

c.

Top of sea

d.

Same at everywhere in sea

Question number: 31

» Physics » Force and Pressure

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MCQ▾

Question

Which of the following statements is correct?

Choices

Choice (4)Response

a.

Pressure at the bottom of a container of water is independent of height of water column.

b.

Pressure at the bottom of a container of water is depended on height of water column.

c.

Pressure at the bottom of container depends upon the amount of water filled in container.

d.

Pressure is not applied on the bottom of container

Question number: 32

» Physics » Sound

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MCQ▾

Question

An object is vibrating with frequency in vacuum. Therefore, if we are standing far from the object in same medium, when we can hear the sound of object?

Choices

Choice (4)Response

a.

After 40 sec

b.

Cannot hear

c.

After around

d.

Question does not provide sufficient data or is vague

Question number: 33

» Physics » Force and Pressure

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MCQ▾

Question

Friction force acted between two bodies is:

Choices

Choice (4)Response

a.

in opposite direction of motion

b.

parallel to contact surface of the both bodies

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

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