NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1484 - 1490 of 2000

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Question number: 1484

» Chemistry » Atoms & Molecules

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MCQ▾

Question

What is the mass of one molecule of carbon dioxide?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1485

» Physics » Gravitation & Pressure

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MCQ▾

Question

Which quantity of object is measured by the spring balance?

Choices

Choice (4)Response

a.

Weight

b.

Mass

c.

Frequency

d.

Acceleration

Question number: 1486

» Physics » Gravitation & Pressure

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MCQ▾

Question

A body is projected with velocity from the earth. The velocity of the object, at the maximum height reached by it, will be:

Choices

Choice (4)Response

a.

b.

c.

0

d.

Question number: 1487

» Physics » Work, Energy & Power

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MCQ▾

Question

If the velocity of a car decreases by , its kinetic energy becomes half, then original velocity of a car is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1488

» Physics » Work, Energy & Power

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MCQ▾

Question

Time taken to perform of work at a rate of is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1489

» Physics » Work, Energy & Power

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MCQ▾

Question

If energy lost by an object, when it falling from height rebounds from a hard floor, then the height to which it rise after the impact is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1490

» Physics » Gravitation & Pressure

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MCQ▾

Question

If the escape velocity of earth is about , then escape velocity for a planet having mass times of mass of the earth and radius times of that of earth will be:

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

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