NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 1601 - 1605 of 2028

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Question number: 1601

» 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

Question number: 1602

» Physics » Force and Pressure

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MCQ▾

Question

If depth of point A is more than depth of point B in a liquid container, then –

Choices

Choice (4) Response

a.

Pressure is equal at both points

b.

Pressure at point B is more than that at point A

c.

Pressure can be increase or decrease in liquid

d.

Pressure at point A is more than that at point B

Question number: 1603

» Physics » Sound

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MCQ▾

Question

In monsoon, thunder and flash are produced simultaneously. But flash is seen first and after few seconds thunder is heard. The reason behind it is:

Choices

Choice (4) Response

a.

Speed of sound is equal to speed of light.

b.

Speed of sound is less than speed of light

c.

Speed of sound is more than speed of light.

d.

None of the above

Question number: 1604

» Physics » Sound

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MCQ▾

Question

A pendulum oscillates times in seconds, than frequency of the oscillation is:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1605

» Physics » Force and Pressure

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MCQ▾

Question

If a cube of mass put on another identical cube of edge as shown in figure, then pressure on contact surface is:

(Taking )

Two cubes of edges 10 cm

Two Cubes of Edges 10 Cm

In figure, two cubes of edges 10 cm are shown.

Choices

Choice (4) Response

a.

b.

c.

d.

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