Physics (NSTSE Class 6): Questions 24 - 30 of 74

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Question number: 24

» 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: 25

» 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: 26

» Physics » Work and Energy

MCQ▾

Question

Which of the following is the formula of work done?

Choices

Choice (4) Response
a.

W=velocity(v)×h(Height)

b.

W=Forceapplied(F)×Distancemovedbyobject(s)

c.

W=Forceapplied(F)×Energy(E)

d.

W=mass(m)×Energy(E)

Question number: 27

» 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

Question number: 28

» Physics » Work and Energy

MCQ▾

Question

A motor converts electrical energy into:

Choices

Choice (4) Response
a.

Light energy

b.

Chemical energy

c.

Mechanical energy

d.

Magnetic energy

Question number: 29

» Physics » Work and Energy

MCQ▾

Question

A fast moving car mainly converts chemical energy to ________ energy.

Choices

Choice (4) Response
a.

Kinetic energy

b.

Potential energy

c.

Nuclear energy

d.

Electrical energy

Question number: 30

» Physics » Work and Energy

MCQ▾

Question

From the following statements find the one that is NOT correct:

Choices

Choice (4) Response
a.

Electrical energy can be converted into thermal energy

b.

A flying aeroplane has both potential and kinetic energy

c.

When a rubber band released from stretch it has kinetic energy

d.

A cricket-ball that rolling on the field has kinetic energy but no mechanical energy

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