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

Series circuit with two resister and two batteries

Series Circuit With Two Resister and Two Batteries

Find the current flowing in the circuit

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

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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