Physics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 108 - 113 of 136

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Question number: 108

» Physics » Light

MCQ▾

Question

If the top half of a convex lens is covered with black paper,

Choices

Choice (4) Response

a.

The intensity will be reduced to half

b.

The top half of the image will disappear

c.

The bottom half of the image will disappear

d.

The magnification will be reduced to half

Question number: 109

» Physics » Magnetism & Electricity at Work

MCQ▾

Question

The permanent magnet is made from which one of the following substances?

Choices

Choice (4) Response

a.

Ferromagnetic

b.

Paramagnetic

c.

Diamagnetic

d.

Electromagnetic

Question number: 110

» Physics » Source of Energy

MCQ▾

Question

According to Newton’s law of cooling, the rate of cooling of a body is proportional to the

Choices

Choice (4) Response

a.

Difference of the temperature of the body and its surroundings

b.

Temperature of the surrounding

c.

Temperature of the body

d.

All of the above

Question number: 111

» Physics » Magnetism & Electricity at Work

MCQ▾

Question

The path of a charged particle moving in a magnetic field can be a

Choices

Choice (4) Response

a.

Circle

b.

Helix

c.

Straight line

d.

All a. , b. and c. are correct

Question number: 112

» Physics » Light

MCQ▾

Question

Sun is visible a little before the actual sunrise and until a little after the actual sunset. This is due to

Choices

Choice (4) Response

a.

Total internal reflection

b.

Refraction

c.

Reflection

d.

Polarization

Question number: 113

» Physics » Light

MCQ▾

Question

A ray of light is incident on an equilateral glass prism placed on a horizontal table. For minimum deviation which of the following is true?

An equilateral glass prism placed on horizontal table

An Equilateral Glass Prism Placed on Horizontal Table

Find true option for minimum deviation

Choices

Choice (4) Response

a.

RS is horizontal

b.

QR is horizontal

c.

Either PQ or RS is horizontal

d.

PQ is horizontal

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