NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1517 - 1523 of 2000

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Question number: 1517

» Physics » Force & Laws of Motion

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MCQ▾

Question

When a child played cricket, a ball of mass is moving with a velocity of towards the batsman. After being hit by the bat, the velocity of the ball is in opposite direction. The magnitude of average force exerted on the ball by the bat acts for is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1518

» Physics » Motion

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Question

A simple pendulum hangs from the roof of a bus. If the bus is accelerated, the string is –

Choices

Choice (4)Response

a.

Inclined towards the front of the bus

b.

Inclined towards the rear of the bus

c.

Rest vertically

d.

Rest horizontally on the roof of bus

Question number: 1519

» Physics » Gravitation & Pressure

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Question

If a particle is taken to a height above the earth’s surface, where is equal to the radius of the earth. The acceleration due to gravity there is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1520

» Chemistry » Atoms & Molecules

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Question

What is the mass of of Methane?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1521

» Biology » Diversity of Living Organisms

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Question

Honey bees belong to the phylum

Choices

Choice (4)Response

a.

Arthropoda

b.

Porifera

c.

Protozoa

d.

Mollusca

Question number: 1522

» Chemistry » Atoms & Molecules

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MCQ▾

Question

What is the mass of one mole of nitrogen atoms?

Choices

Choice (4)Response

a.

12g

b.

14g

c.

22g

d.

7g

Question number: 1523

» Physics » Sound

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Question

The bob of a pendulum moves from the mean position to an extreme position in . Then the time period of the pendulum is:

Choices

Choice (4)Response

a.

b.

c.

d.

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