NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 1785 - 1789 of 2028

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Question 1785

Question

MCQ▾

A student wants to test whether an object is carrying charge or not. Which device, he will be choosing for the test?

Choices

Choice (4)Response

a.

Microscope

b.

Telescope

c.

Electroscope

d.

Question does not provide sufficient data or is vague

Question 1786

Question

MCQ▾

Two surfaces A and B have equal roughness but different area. At a ball starts sliding through these surfaces with same initial velocity, then at time , on which surface, ball will covered more distance?

Ball is Sliding on Two Surfaces

Choices

Choice (4)Response

a.

Surface B

b.

Surface A

c.

Same distance covered on both surface

d.

All of the above

Question 1787

Question

MCQ▾

The most likely cause of tsunami is:

Choices

Choice (4)Response

a.

Lightning

b.

Earthquakes

c.

Major nuclear explosion under sea

d.

All of the above

Question 1788

Question

MCQ▾

In an instrument, by polishing surfaces of moving parts, the friction:

Choices

Choice (4)Response

a.

Decreases

b.

Increase

c.

Remains same

d.

Becomes zero

Question 1789

Question

MCQ▾

Nichrome is ally combination of:

Choices

Choice (4)Response

a.

Nitrogen, chromium and manganese

b.

Nitrogen and chromium

c.

Nickel, chromium and manganese

d.

Nickel and chromium

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