Physics (NSTSE Class 6): Questions 61 - 66 of 74

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Question number: 61

» Physics » Work and Energy

MCQ▾

Question

Which energy is stored in the fireworks?

Choices

Choice (4) Response

a.

Chemical energy

b.

Atomic energy

c.

Thermal energy

d.

Electrical energy

Question number: 62

» Physics » Work and Energy

MCQ▾

Question

When a stone is thrown upwards:

Choices

Choice (4) Response

a.

Kinetic energy increases and potential energy decreases

b.

Kinetic energy and potential energy increases

c.

Kinetic energy and potential energy remain constant

d.

Kinetic energy decreases and potential energy increases

Question number: 63

» Physics » Work and Energy

MCQ▾

Question

A lamp converts ________energy to ________energy.

Choices

Choice (4) Response

a.

Chemical – heat

b.

Electrical – light

c.

Chemical – electrical

d.

Light – electrical

Question number: 64

» Physics » Work and Energy

MCQ▾

Question

According to law of conservation of energy:

Choices

Choice (4) Response

a.

Energy exists in many forms but it cannot be transformed

b.

Energy can neither be created nor be destroyed but can change into different forms

c.

Energy can be created but not destroyed and it can be transformed from one form into another

d.

Energy exists in only one form

Question number: 65

» Physics » Work and Machines

MCQ▾

Question

In the third-class lever, ________will be in the middle.

Choices

Choice (4) Response

a.

Load

b.

Fulcrum

c.

Effort

d.

Question does not provide sufficient data or is vague

Question number: 66

» Physics » Work and Energy

MCQ▾

Question

Which of the following has the highest Potential energy?

Choices

Choice (4) Response

a.

20 kg rock at a height of 40 m

b.

5 kg rock at a height of 150 m

c.

35 kg rock at a height of 50 m

d.

180 kg rock at a height of 2 m

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