NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1482 - 1488 of 2000

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Question number: 1482

» Chemistry » Atoms & Molecules

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Question

A gold statue contains of gold and the rest copper. How many atoms of gold are present in one gram of this statue of gold?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1483

» Physics » Work, Energy & Power

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Question

A block of mass slides down on an inclined plane of inclination . Find the work done by the weight of the block as it slides through .

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Choice (4) Response

a.

b.

c.

d.

Question number: 1484

» Chemistry » Atoms & Molecules

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What is the mass of one molecule of carbon dioxide?

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Choice (4) Response

a.

b.

c.

d.

Question number: 1485

» Physics » Gravitation & Pressure

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Question

Which quantity of object is measured by the spring balance?

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Choice (4) Response

a.

Weight

b.

Mass

c.

Frequency

d.

Acceleration

Question number: 1486

» Physics » Gravitation & Pressure

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Question

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

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Choice (4) Response

a.

b.

c.

0

d.

Question number: 1487

» Physics » Work, Energy & Power

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

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Choice (4) Response

a.

b.

c.

d.

Question number: 1488

» Physics » Work, Energy & Power

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Question

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

Choices

Choice (4) Response

a.

b.

c.

d.

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