# Physics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 76 - 81 of 136

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## Question number: 76

» Physics » Source of Energy

MCQ▾

### Question

A gas thermometer is more sensitive than a liquid thermometer because gases

### Choices

Choice (4) Response

a.

expand more than liquids

b.

are easy to obtain

c.

are much lighter

d.

do not change their state easily

## Question number: 77

» Physics » Magnetism & Electricity at Work

MCQ▾

### Question

Find the current in the given circuit

### Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

## Question number: 78

» Physics » Light

MCQ▾

### Question

If the tube length of astronomical telescope is 105 cm and magnifying power is 20 for normal setting, find the focal length of the objective.

### Choices

Choice (4) Response

a.

20 cm

b.

10 cm

c.

100 cm

d.

25 cm

## Question number: 79

» Physics » Magnetism & Electricity at Work

MCQ▾

### Question

When the magnet is brought near the iron needle, it act as

### Choices

Choice (4) Response

a.

non-magnetic material

b.

bar-magnetic

c.

temporary magnet

d.

All of the above

## Question number: 80

» Physics » Magnetism & Electricity at Work

Appeared in Year: 2013

MCQ▾

### Question

Three equal resistors connected in series across a source of emf dissipate 10 watts of power. What will be the power dissipated is watts if the same resistors are connected in parallel across the same source of emf?

### Choices

Choice (4) Response

a.

12 W

b.

30W

c.

10W

d.

90W

## Question number: 81

» Physics » Work and Energy

Appeared in Year: 2013

MCQ▾

### Question

Two different sources of light A and B have wavelength 0.7 A m and 0.3 A m respectively. Then which of the following statement is true:

### Choices

Choice (4) Response

a.

A has greater energy then B

b.

A and B has equal energy

c.

B has greater energy then A

d.

All of the above

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