Physics [NSTSE (National Science Talent Search Exam- Unified Council) Class 8]: Questions 102 - 107 of 219

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Question number: 102

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Question

MCQ▾

We can get early warning for cyclones, by:

Choices

Choice (4)Response

a.

Helicopters

b.

Satellites

c.

Submarines

d.

Stars

Question number: 103

Physics
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Question

MCQ▾

Which of the following angle, viewed extended object subtends at the eye usually stated in degree of arc?

Choices

Choice (4)Response

a.

Visual angle

b.

Angular angle

c.

Convex angle

d.

Deep angle

Question number: 104

Physics
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Question

MCQ▾

When a boy stands in front of a plane mirror, he shows his left hand is seen as right hand in his image and his right hand is seen as left hand in his image. This is known as:

Choices

Choice (4)Response

a.

Lateral inversion

b.

Parallel inversion

c.

Central inversion

d.

None of the above

Question number: 105

Physics
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Question

MCQ▾

A white light enter in a triangular prism from one surface and when, it comes out from another surface it is split in seven different colors. This phenomena is called:

Choices

Choice (4)Response

a.

Persistence

b.

Reflection

c.

Dispersion

d.

All of the above

Question number: 106

Physics
Edit

Question

MCQ▾

To reduce drag force object are shaped in:

Choices

Choice (4)Response

a.

Oblongata

b.

Conical

c.

Streamlined

d.

Rectangular

Question number: 107

Physics
Edit

Question

MCQ▾

When a light incident on a mirror, there is a perpendicular drawn at the incident point and it is called:

Choices

Choice (4)Response

a.

Incident ray

b.

Image

c.

Reflected ray

d.

Normal