NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1300 - 1305 of 1484

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Question number: 1300

» Physics » Sources of Energy

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MCQ▾

Question

Which are following products contain ozone depleting substances?

I. Pesticides

II. Refrigerator

III. Car with AC

IV. Motorbike

Which of the following are correct?

Choices

Choice (4) Response

a.

II and III only

b.

I, II and III only

c.

II, III and IV only

d.

I, II, III and IV only

Question number: 1301

» Physics » Sources of Energy

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MCQ▾

Question

Ozone layer depletion is found in which sphere?

Choices

Choice (4) Response

a.

Stratosphere

b.

Ionosphere

c.

Lithosphere

d.

Mesosphere

Question number: 1302

» Physics » Magnetic Effects of Electric Current

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MCQ▾

Question

The commutate in a D. C. motor is used to:

Choices

Choice (4) Response

a.

Reverse the flow of current in a coil

b.

Increase the flow of current in a coil

c.

Stop the flow of current in a coil

d.

Decrease the flow of current in a coil

Question number: 1303

» Physics » Magnetic Effects of Electric Current

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MCQ▾

Question

In which part of current carrying solenoid, magnetic field is stronger?

Choices

Choice (4) Response

a.

At the center of solenoid

b.

Inside

c.

Outside

d.

Everywhere remains constant

Question number: 1304

» Physics » Sources of Energy

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MCQ▾

Question

Classify the following fuels in declining order of their calorific values.

I. Methane

II. Biogas

III. Petrol

IV. Hydrogen

Which of the following is/are correct?

Choices

Choice (4) Response

a.

II, III, I, IV

b.

IV, I, III, II

c.

II, I, IV, III

d.

III, IV, I, II

Question number: 1305

» Physics » Human Eye and World

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MCQ▾

Question

Which of the following produced yellow colour of light?

Choices

Choice (4) Response

a.

Red and Green colour of light

b.

Green and Blue colour of light

c.

Red and Blue colour of light

d.

All of the above

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