Physics-Light (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 4 - 8 of 11

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Question number: 4

» Physics » Light

MCQ▾

Question

Two plane mirrors are inclined to each other at an angle of 90° as shown in figure. A ray of light falls on the mirror M 1 at angle 60° and after reflection, falls on the other mirror M 2 from which it get reflected by angle i. The value of third angle is?

 Two plane mirrors named M1 and M2

Two Plane Mirrors Named M1 and M2

Find the third angle made by reflected ray from mirror M2

Choices

Choice (4) Response

a.

60°

b.

90°

c.

70°

d.

30°

Question number: 5

» 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: 6

» Physics » Light

MCQ▾

Question

Which one among the following is used to make periscopes?

Choices

Choice (4) Response

a.

Concave mirror

b.

Concave lens

c.

Plane mirror

d.

All of the above

Question number: 7

» Physics » Light

MCQ▾

Question

Which one among the following is used to make periscopes?

Choices

Choice (4) Response

a.

Concave lens

b.

Concave mirror

c.

Plane mirror

d.

Question does not provide sufficient data or is vague

Question number: 8

» Physics » Light

MCQ▾

Question

A printed page is seen through a glass slab place on it. The printed words appear raised. This is due to

Choices

Choice (4) Response

a.

refraction at the lower surface of the slab

b.

refraction at the upper surface of the slab

c.

partial reflection at the upper surface of the slab

d.

partial reflection at the lower surface of the slab

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