Physics-Work and Energy (NSTSE (National Science Talent Search Exam- Unified Council) Class 6): Questions 17 - 24 of 69

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Question number: 17

» Physics » Work and Energy

MCQ▾

Question

A photovoltaic cell converts solar energy to ________.

Choices

Choice (4) Response

a.

Muscular energy

b.

Electrical energy

c.

Light energy

d.

Chemical energy

Question number: 18

» Physics » Work and Energy

MCQ▾

Question

Which of the following energy can be got by the food?

Choices

Choice (4) Response

a.

Mechanical energy

b.

Muscular energy

c.

Heat energy

d.

Magnetic energy

Question number: 19

» Physics » Work and Energy

MCQ▾

Question

Which of the following does have potential energy?

Choices

Choice (4) Response

a.

Falling fruit from the tree

b.

Water in flowing river

c.

Water in a bottle

d.

Blowing air from balloon

Question number: 20

» Physics » Work and Energy

MCQ▾

Question

________ is main source of all type of energy on the Earth.

Choices

Choice (4) Response

a.

Moon

b.

Petroleum

c.

Sun

d.

Coal

Question number: 21

» Physics » Work and Energy

MCQ▾

Question

The form of energy stored in petroleum is ________.

Choices

Choice (4) Response

a.

Chemical energy

b.

Mechanical energy

c.

Heat energy

d.

Magnetic energy

Question number: 22

» Physics » Work and Energy

MCQ▾

Question

Solar cells use ________to produce electricity.

Choices

Choice (4) Response

a.

Heat energy of coal or petroleum

b.

Water stored by a dam

c.

Wind energy

d.

Solar energy

Question number: 23

» Physics » Work and Energy

MCQ▾

Question

Which of the following is the formula of work done?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 24

» Physics » Work and Energy

MCQ▾

Question

A toaster converts ________energy to ________ energy.

Choices

Choice (4) Response

a.

Kinetic – potential

b.

Chemical – electrical

c.

Mechanical – electrical

d.

Electrical – thermal

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