Physics (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 24 - 28 of 78

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Question number: 24

» Physics » Light

MCQ▾

Question

Consider the following

To protect yourself from lightening you will

I. go under a building and small trees. II. Crouch on your feet.

III. stand on the ground. IV. lie on the ground.

Which of the above is/are correct?

Choices

Choice (4) Response

a.

Ill and IV

b.

I and IV

c.

II and III

d.

I and II

Question number: 25

» Physics » Motion and Force

MCQ▾

Question

The numerical ratio of displacement to the distance covered is always

Choices

Choice (4) Response

a.

Equal to or less than 1

b.

Equal to 1

c.

less than 1

d.

Equal to or greater than 1

Question number: 26

» Physics » Work and Energy

MCQ▾

Question

If a car covers 25th of the total distance with v1 speed and 35th distance with v2, then average speed is

Choices

Choice (4) Response

a.

5v1v23v1+2v2

b.

v1+v22

c.

2v1v2v1+v2

d.

12v1v2

Question number: 27

» Physics » Motion and Force

MCQ▾

Question

A uniformly tapering vessel is filled with a liquid of density 900 kg/m3. The force that acts on the base of the vessel due to the liquid is (g = 10 m/s)

A tapering vessel filled with liquid

A Tapering Vessel Filled With Liquid

Find the force acts on the base of the vessel

Choices

Choice (4) Response

a.

9.0 N

b.

7.2 N

c.

14.4 N

d.

3.6N

Question number: 28

» Physics » Sound

MCQ▾

Question

The diagram below shows the propagation of a wave. Which points are in same phase?

Propagation of a wave from A to H

Propagation of a Wave From A to H

Showing the propagation of wave and different points in each phase

Choices

Choice (4) Response

a.

B and G

b.

B and F

c.

F and G

d.

C and E

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