NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 1625 - 1631 of 2028

Access detailed explanations (illustrated with images and videos) to 2028 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 550.00 or

How to register?

Question number: 1625

» Physics » Sound

Edit
MCQ▾

Question

Sound cannot propagate through:

Choices

Choice (4) Response

a.

Gas

b.

Solid

c.

Water

d.

Vacuum

Question number: 1626

» Physics » Sound

Edit
MCQ▾

Question

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 number: 1627

» Physics » Sound

Edit
MCQ▾

Question

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

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1628

» Physics » Force and Pressure

Edit
MCQ▾

Question

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 number: 1629

» Physics » Sound

Edit
MCQ▾

Question

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

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1630

» Physics » Sound

Edit
MCQ▾

Question

Choices

Choice (4) Response

a.

oscillation per

b.

oscillation in

c.

oscillation per

d.

oscillation per

Question number: 1631

» Physics » Force and Pressure

Edit
MCQ▾

Question

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

A Force Applied on a Cube

In figure a force of 12 N is applied on one surface of cube, is shown.

Choices

Choice (4) Response

a.

b.

c.

d.

Developed by: