Physics (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 26 - 30 of 73

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Question number: 26

» Physics » Motion and Force

MCQ▾

Question

Protons and neutrons are bound in a nucleus by the

Choices

Choice (4) Response

a.

Short range ‘weak interaction’

b.

Long range ‘gravitational interaction’

c.

Short range ‘strong interaction’

d.

Long range ‘electromagnetic interaction’

Question number: 27

» Physics » Source of Energy

MCQ▾

Question

Which one among the following waves is called waves of heat energy?

Choices

Choice (4) Response

a.

Ultraviolet waves

b.

Radio waves

c.

Microwaves

d.

Infrared waves

Question number: 28

» Physics » Motion and Force

MCQ▾

Question

By blowing between two balloons hanging close to each other, you observe that they come closer. A similar phenomenon is seen in

Choices

Choice (4) Response

a.

the lifting of balloon filled with

b.

the lifting of an aero plane

c.

take off of rocket

d.

kite flying

Question number: 29

» Physics » Motion and Force

MCQ▾

Question

A stone tied to a string is whirled in a circle. As it is revolving, the string suddenly breaks. The stone, then

Choices

Choice (4) Response

a.

flies off radially outwards

b.

flies off radially inwards

c.

flies off tangentially

d.

moves in a circle of larger radius

Question number: 30

» 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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