Light (NSO Level 1- Science Olympiad (SOF) Class 7): Questions 1 - 6 of 32

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Question number: 1

» Light

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MCQ▾

Question

Which one of the following lens is used by watch repair mechanics?

Choices

Choice (4) Response

a.

Concave lens

b.

Convex lens

c.

Plane lens

d.

None of the above

Question number: 2

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MCQ▾

Question

Which of the following mirror always forms same size of image as object?

Choices

Choice (4) Response

a.

Convex mirror

b.

Plane mirror

c.

Concave mirror

d.

Question does not provide sufficient data or is vague

Question number: 3

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MCQ▾

Question

In the following diagram, the angle of incidence is:

 Reflection from smooth surface

Reflection from Smooth Surface

In figure reflection from the smooth surface is shown.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 4

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MCQ▾

Question

If we move an object away from the plane mirror, the size of its image in the mirror starts:

Choices

Choice (4) Response

a.

Initially increases then decreases

b.

Decreasing

c.

Increasing

d.

Remains same

Question number: 5

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MCQ▾

Question

When a white light incident on a surface of prism, on other side spectrum consist of seven colors are shown. This phenomenon occurs because of:

Choices

Choice (4) Response

a.

Dispersion of light

b.

Total internal reflection

c.

Reflection

d.

Scattering of light

Question number: 6

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MCQ▾

Question

As shown in figure, if an object is placed in front of, and to left of a plane mirror and we see the image from right of the plane mirror; then which image is correct image of the object?

Image formed by the Plane mirror

Image Formed by the Plane Mirror

Image formed by the Plane mirror

Choices

Choice (4) Response

a.

P

b.

R

c.

Q

d.

S

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