NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1593 - 1597 of 2000

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Question number: 1593

» Physics » Gravitation & Pressure

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MCQ▾

Question

A particle hanging from a spring stretches it by at earth’s surface. At a place above the earth’s surface, the same particle will stretch the spring by:

(Spring force , where is stretching length of spring and radius of the earth is about )

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1594

» Physics » Gravitation & Pressure

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Question

Two bodies of masses and respectively are placed at a separation of . Find the accelerations of the bodies if only gravitational force acts between them.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1595

» Chemistry » Atoms & Molecules

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Question

How many number of moles are there in of ?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1596

» Physics » Gravitation & Pressure

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Question

A planet 1 is times heavier and about 9 times bigger in size than the planet 2. But mean density of planet 2 is more that of planet 1. The ratio of their mean densities will be:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1597

» Biology » Diversity of Living Organisms

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MCQ▾

Question

Sponges are generally found in

Choices

Choice (4) Response

a.

Below the ground

b.

Marine water

c.

Terrestrial

d.

Gut of organisms as endoparasites

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