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

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## Question 1

### 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

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## Question 2

### Question MCQ▾

An astronaut in a spaceship sees the outer space as

### Choices

Choice (4)Response

a.

Blue

b.

White

c.

Black

d.

Red

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## Question 3

### 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

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## Question 4

### 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

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## Question 5

### 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

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