Physics [NSTSE (National Science Talent Search Exam- Unified Council) Class 8]: Questions 89 - 95 of 219

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Question number: 89

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Question

MCQ▾

To protect iron from corrosion, which of the following is coated on iron?

Choices

Choice (4)Response

a.

Zinc

b.

Steel

c.

Aluminum

d.

Gold

Question number: 90

Physics
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Question

MCQ▾

If we applied grease or oil on door hinges, then the friction on hinges will:

Choices

Choice (4)Response

a.

Decrease

b.

Becomes zero

c.

Increase

d.

Remains same

Question number: 91

Physics
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Question

MCQ▾

A image is same size as object and virtual, then it is formed by:

Choices

Choice (4)Response

a.

Curved mirror

b.

Rough mirror

c.

Plane mirror

d.

None of the above

Question number: 92

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Question

MCQ▾

The voltage of common dry cell is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 93

Physics
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Question

MCQ▾

Which of the following is used to read and write by blind persons?

Choices

Choice (4)Response

a.

Standard letter pattern

b.

Braille code

c.

Block cipher

d.

Question does not provide sufficient data or is vague

Question number: 94

Physics
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Question

MCQ▾

If and are the friction forces of surface A and surface B, then which of the following statement is true?

Smooth and Rough surfaces

Smooth and Rough Surfaces

Loading Image

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 95

Physics
Edit

Question

MCQ▾

A solid cylinder is having mass . To displace this cylinder which of the following activities is easier to perform?

Choices

Choice (4)Response

a.

Lifting the cylinder and move

b.

Rolling a cylinder

c.

Dragging the cylinder

d.

All of the above