Physics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 1 - 5 of 136

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Question number: 1

» Physics » Magnetism & Electricity at Work

MCQ▾

Question

There are two electric bulbs of 40 W and 100 W. Which one will be brighter when first connected in series and then in parallel?

Choices

Choice (4) Response

a.

40 W in series and 100 W in parallel

b.

100 W in series and 40 W in parallel

c.

40 W both in series and parallel will be uniform

d.

100 W both in series and parallel will be uniform

Question number: 2

» Physics » Light

MCQ▾

Question

An astronaut in a spaceship sees the outer space as

Choices

Choice (4) Response

a.

Blue

b.

White

c.

Black

d.

Red

Question number: 3

» Physics » Light

MCQ▾

Question

A point object is placed at a distance of 30 cm from a convex mirror of focal length of 30 cm. The image will form at

Choices

Choice (4) Response

a.

pole

b.

focus

c.

infinity

d.

15 cm behind the mirror

Question number: 4

» Physics » Sound

Assertion-Reason▾

Assertion (Ꭺ)

The velocity of sound in air increases due to the presence of moisture in it.

Reason (Ꭱ)

The presence of moisture in air lowers the density of air.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are false

b.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

c.

Ꭺ is false but Ꭱ is true

d.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

Question number: 5

» Physics » Magnetism & Electricity at Work

MCQ▾

Question

A permanent magnet

Choices

Choice (4) Response

a.

attracts magnetic substances and repels all non-magnetic substances

b.

attracts all substances

c.

attracts only magnetic substances

d.

attracts non-magnetic substances and repels magnetic substances

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