NSTSE (National Science Talent Search Exam- Unified Council) Class 6: Questions 1972 - 1978 of 2029

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Question 1972

Question

MCQ▾

The force applied to the machine is known as:

Choices

Choice (4)Response

a.

Resistance

b.

Resistance and Load

c.

Effort

d.

Load

Question 1973

Question

MCQ▾

In which change heat & light are consumed or given out.

Choices

Choice (4)Response

a.

Chemical

b.

Fast

c.

Reversible

d.

Question does not provide sufficient data or is vague

Question 1974

Question

MCQ▾

Due to the presence of friction, efficiency of inclined plane is:

Choices

Choice (4)Response

a.

Less than 100 %

b.

0 %

c.

Equal to 100 %

d.

More than 100 %

Question 1975

Question

MCQ▾

Among the following which one is not a physical change?

Choices

Choice (4)Response

a.

Color

b.

Shape

c.

State

d.

All a., b. and c. are correct

Question 1976

Question

MCQ▾

Which of the following is an artificial magnet?

Choices

Choice (4)Response

a.

Ferrite

b.

Pyrrhotite

c.

Columbite

d.

None of the above

Question 1977

Question

MCQ▾

How can the magnetic field of a permanent magnet be increased?

Choices

Choice (4)Response

a.

By applying mechanical pressure

b.

Can՚t be increased

c.

By passing current through it

d.

None of the above

Question 1978

Question

MCQ▾

Which of the following are both simple machine and combination of simple machines?

Choices

Choice (4)Response

a.

Pulley

b.

Wheel and Axle

c.

Inclined plane

d.

None of the above

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