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

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Question 1

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Question

MCQ▾

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.40 W both in series and parallel will be uniform
c.100 W in series and 40 W in parallel
d.100 W both in series and parallel will be uniform

Question 2

Physics
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Question

MCQ▾

An astronaut in a spaceship sees the outer space as

Choices

Choice (4)Response
a.Blue
b.White
c.Black
d.Red

Question 3

Physics
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Question

MCQ▾

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.15 cm behind the mirror
b.focus
c.infinity
d.pole

Question 4

Physics
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Question

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.Ꭺ is false but Ꭱ is true
b.Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ
c.Ꭺ is true but Ꭱ is false
d.Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

Question 5

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Question

MCQ▾

A permanent magnet

Choices

Choice (4)Response
a.attracts non-magnetic substances and repels magnetic substances
b.attracts all substances
c.attracts only magnetic substances
d.attracts magnetic substances and repels all non-magnetic substances