NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 1624 - 1631 of 2028

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Question 1624

Question MCQ▾

An object is travelling with speed of sound. Therefore, value of its speed is around:

Choices

Choice (4)Response

a.

b.

c.

d.

All a., b. and c. are correct

Edit

Question 1625

Question MCQ▾

Sound cannot propagate through:

Choices

Choice (4)Response

a.

Gas

b.

Solid

c.

Water

d.

Vacuum

Edit

Question 1626

Question MCQ▾

Due to which property (ies) , a human can identified the quality of sound produced by a source?

Choices

Choice (4)Response

a.

Loudness

b.

Frequency

c.

Amplitude

d.

All a., b. and c. are correct

Edit

Question 1627

Question MCQ▾

If frequency of a vibrating object is , then its time period is:

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 1628

Question MCQ▾

Which of the following force is contact force?

Choices

Choice (4)Response

a.

Magnetic force

b.

Electrostatic force

c.

Friction force

d.

Gravitational force

Edit

Question 1629

Question MCQ▾

The speed of sound in kerosene, aluminum and air can correctly compared as:

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 1630

Question MCQ▾

Choices

Choice (4)Response

a.

oscillation per

b.

oscillation in

c.

oscillation per

d.

oscillation per

Edit

Question 1631

Question MCQ▾

A force is distributed uniformly on one surface of a cube of edge . The pressure on this surface is:

A Force Applied on a Cube

Choices

Choice (4)Response

a.

b.

c.

d.

Edit