NSO Level 1- Science Olympiad (SOF) Class 9: Questions 1098 - 1104 of 1123

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Question number: 1098

» Physics » Work, Energy & Power

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MCQ▾

Question

The energy consumed by an electric device with power in minutes?

Choices

Choice (4) Response

a.

b.

c.

d.

Passage

Direction: A boy is playing on a slide as shown in the figure. Observe the diagram carefully and answer questions below

Slide as shown in the figure

Slide as Shown in the Figure

Slide as shown in the figure

Question number: 1099 (1 of 3 Based on Passage) Show Passage

» Physics » Work, Energy & Power

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Question

Kinetic energy of the boy at the third step would be

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1100 (2 of 3 Based on Passage) Show Passage

» Physics » Work, Energy & Power

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Question

Potential energy of the boy when he reaches the ground after sliding would be

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1101 (3 of 3 Based on Passage) Show Passage

» Physics » Work, Energy & Power

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MCQ▾

Question

Potential energy of the boy when he reaches the third step would be

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1102

» Physics » Work, Energy & Power

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Question

Two objects of masses and have equal momentum. What is the ratio of their kinetic energies?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1103

» Physics » Work, Energy & Power

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For a freely falling body, the P. E at a certain height is . The kinetic energy possessed by it when it just touches the surface of the earth is

Choices

Choice (4) Response

a.

b.

c.

Cannot be known

d.

Question number: 1104

» Physics » Work, Energy & Power

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MCQ▾

Question

Work is said to be done

Choices

Choice (4) Response

a.

If the object moves in the direction of force

b.

If we apply force on an object

c.

Both a. and b. are correct

d.

None of the above

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