Light [NSO Level 2- Science Olympiad (SOF) Class 8]: Questions 1 - 3 of 14

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Question 1

Appeared in Year: 2013

Question MCQ▾

Which of the following is correct?

Choices

Choice (4)Response

a.

The incident ray, the normal at the point of incidence and the reflected ray all lie in the opposite plane.

b.

An image formed by a mirror the left of the object appears on the right and right appears on the left.

c.

Angle of incidence is always equal to the angle of reflection.

d.

Diffused reflection of the light is that the all parallel rays reflected from a rough surface are not parallel.

Edit

Question 2

Appeared in Year: 2014

Question MCQ▾

The direction of a ray of light incident on a concave mirror is shown by PQ while directions in which the ray would travel after reflection is shown by four rays marked 1,2, 3 and 4. Which of the four rays correctly shows the direction of reflected ray?

Diagram Shows Direction of Ray of Light

Choices

Choice (4)Response

a.

3

b.

4

c.

1

d.

2

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Question 3

Appeared in Year: 2014

Question MCQ▾

An under-water swimmer cannot see very clearly even in absolutely clear water because of

Choices

Choice (4)Response

a.

Reduction of speed of light in water

b.

Change in the focal length of eye lens.

c.

Absorption of light in water

d.

Scattering of light in water

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