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

Access detailed explanations (illustrated with images and videos) to 2028 questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. Unlimited Access, Unlimited Time, on Unlimited Devices!

View Sample Explanation or View Features.

Rs. 550.00 -OR-

How to register? Already Subscribed?

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

Question 1625

Question

MCQ▾

Sound cannot propagate through:

Choices

Choice (4)Response

a.

Gas

b.

Solid

c.

Water

d.

Vacuum

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

Question 1627

Question

MCQ▾

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

Choices

Choice (4)Response

a.

b.

c.

d.

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

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.

Question 1630

Question

MCQ▾

Choices

Choice (4)Response

a.

oscillation per

b.

oscillation in

c.

oscillation per

d.

oscillation per

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.

Developed by: