NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1518 - 1525 of 2000

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Question number: 1518

» Physics » Motion

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MCQ▾

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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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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MCQ▾

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.

Passage

A object traveling with velocity collides head on with a object initially at rest. The collision is inelastic and after the collision both object are stuck together.

Question number: 1524 (1 of 2 Based on Passage) Show Passage

» Physics » Force & Laws of Motion

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Question

The fraction of the kinetic energy lost during the collision is:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1525 (2 of 2 Based on Passage) Show Passage

» Physics » Force & Laws of Motion

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Question

Velocity of the combination after the collision is:

Choices

Choice (4) Response

a.

b.

c.

d.

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