NSTSE (National Science Talent Search Exam- Unified Council) Class 6: Questions 1232 - 1237 of 2029

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Question number: 1232

» Physics » Work and Energy

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MCQ▾

Question

Which energy is stored in the fireworks?

Choices

Choice (4)Response

a.

Electrical energy

b.

Thermal energy

c.

Atomic energy

d.

Chemical energy

Question number: 1233

» Physics » Work and Energy

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MCQ▾

Question

When a stone is thrown upwards:

Choices

Choice (4)Response

a.

Kinetic energy decreases and potential energy increases

b.

Kinetic energy and potential energy increases

c.

Kinetic energy increases and potential energy decreases

d.

Kinetic energy and potential energy remain constant

Question number: 1234

» Physics » Work and Energy

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MCQ▾

Question

A lamp converts ________energy to ________energy.

Choices

Choice (4)Response

a.

Electrical – light

b.

Chemical – heat

c.

Chemical – electrical

d.

Light – electrical

Question number: 1235

» Physics » Work and Energy

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MCQ▾

Question

According to law of conservation of energy:

Choices

Choice (4)Response

a.

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

b.

Energy exists in only one form

c.

Energy exists in many forms but it cannot be transformed

d.

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

Question number: 1236

» Physics » Work and Machines

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MCQ▾

Question

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

Choices

Choice (4)Response

a.

Fulcrum

b.

Effort

c.

Load

d.

All of the above

Question number: 1237

» Physics » Work and Energy

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MCQ▾

Question

Which of the following has the highest Potential energy?

Choices

Choice (4)Response

a.

5 kg rock at a height of 150 m

b.

20 kg rock at a height of 40 m

c.

180 kg rock at a height of 2 m

d.

35 kg rock at a height of 50 m

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