Physics [NSTSE (National Science Talent Search Exam- Unified Council) Class 8]: Questions 96 - 101 of 219

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Question number: 96

Physics
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Question

MCQ▾

The direction friction force is:

Choices

Choice (4)Response

a.

Parallel to the relative motion

b.

Opposite to the relative motion

c.

Perpendicular to the relative motion

d.

None of the above

Question number: 97

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Question

MCQ▾

An object is having a positive charge and another object having negatively charge. If both the objects are kept close to each other, then they will:

Choices

Choice (4)Response

a.

Repelled

b.

Attracted

c.

Remain as it is

d.

None of the above

Question number: 98

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Question

MCQ▾

A metal, which needs to be coated with a layer of desired metals in the electrolysis solution, is connected on:

Choices

Choice (4)Response

a.

Any electrode

b.

Half on anode and half of cathode

c.

Anode

d.

Cathode

Question number: 99

Physics
Edit

Question

MCQ▾

Two bodies relatively move only when:

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Question number: 100

Edit

Question

MCQ▾

A electric bulb glows, due to:

Choices

Choice (4)Response

a.

Electric energy is converted into heat energy

b.

Mechanical energy is converted into electric energy

c.

Heat energy is converted into electric energy

d.

All of the above

Question number: 101

Edit

Question

MCQ▾

By passing electric current, a desire metal layer is depositing on another material. This process is called:

Choices

Choice (4)Response

a.

Electrolysis

b.

Electroplating

c.

Layering

d.

Magnetic plating