# 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?

### 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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