Physics (NSTSE Class 6): Questions 9 - 16 of 74

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Question number: 9

» Physics » Work and Machines

MCQ▾

Question

Which of the following is used to changes the direction of force and reduces the effort?

Choices

Choice (4) Response

a.

Knife

b.

Pulley

c.

Lever

d.

Wheel-and-axle

Question number: 10

» Physics » Work and Energy

MCQ▾

Question

A tube light converts electrical energy into:

Choices

Choice (4) Response

a.

Light energy

b.

Magnetic energy

c.

Mechanical energy

d.

Chemical energy

Question number: 11

» Physics » Work and Energy

MCQ▾

Question

An overhead tank having some water possesses ________ energy.

Choices

Choice (4) Response

a.

Thermal

b.

Kinetic

c.

Potential

d.

Electrical

Question number: 12

» Physics » Work and Energy

MCQ▾

Question

Kinetic energy increases when ________.

Choices

Choice (4) Response

a.

Mass of the object increases

b.

Height of the object increases

c.

Velocity of the object decreases

d.

None of the above

Question number: 13

» Physics » Work and Energy

MCQ▾

Question

Which of the following energy is used to burn wood?

Choices

Choice (4) Response

a.

Mechanical

b.

Muscular

c.

Chemical

d.

Electrical

Question number: 14

» Physics » Work and Energy

MCQ▾

Question

The fuel formed by the marine animal and plant remnants is:

Choices

Choice (4) Response

a.

Petroleum

b.

Electricity

c.

Biogas

d.

Coal

Question number: 15

» Physics » Work and Energy

MCQ▾

Question

The source of sun’s energy is________.

Choices

Choice (4) Response

a.

Nuclear reactions

b.

Gravitational force

c.

Coal

d.

Petroleum

Question number: 16

» Physics » Work and Energy

MCQ▾

Question

Which of the following energy stored in coal?

Choices

Choice (4) Response

a.

Heat energy

b.

Potential energy

c.

Electrical energy

d.

Chemical energy

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