NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1326 - 1331 of 2000

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Question number: 1326

» Physics » Gravitation & Pressure

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MCQ▾

Question

If escape velocity from the earth is four times higher than the speed of artificial satellite moving in a circular orbit, then the height of the satellite from the surface of the earth is:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1327

» Physics » Gravitation & Pressure

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MCQ▾

Question

When a spherical object thrown vertically upward direction, the acceleration due to gravity is:

Choices

Choice (4) Response

a.

In vertically downward direction

b.

In vertically upward direction

c.

Zero

d.

In horizontal direction

Question number: 1328

» Biology » Diversity of Living Organisms

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Question

Which of the following helps in milk formation in mammals?

Choices

Choice (4) Response

a.

Mammary gland

b.

Pancreas

c.

Liver

d.

Pituitary Gland

Question number: 1329

» Physics » Work, Energy & Power

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Question

When a body at height , its potential energy is . If we increase the height by , then the potential energy is:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1330

» Chemistry » Atoms & Molecules

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MCQ▾

Question

Which one is radioactive isotope of hydrogen?

Choices

Choice (4) Response

a.

Tritium

b.

Deuterium

c.

Protium

d.

Question does not provide sufficient data or is vague

Question number: 1331

» Physics » Gravitation & Pressure

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MCQ▾

Question

If two persons of masses and are seated across a table 2 meter far from each other, then gravitational force between them is approximately:

Choices

Choice (4) Response

a.

b.

c.

d.

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