Ray Optics Test

Result

Ray Optics Test - 50

Score
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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
4 / -1

A
19%

B
92%

C
50%

D
29%

Solution
Question 2
4 / -1

In Yong\'s double slit experiment, the intensity on screen at a point where path difference is λ , is K , What will be intensity at the point where path difference is λ/4

A
K/2

B
2 K

C
4 K

D
Zero
Question 3
4 / -1

A

B

C

D

Solution
Question 4
4 / -1

Two vertical plane mirrors are inclined at an angle of 60° with each other. A ray of light travelling horizontally is reflected first from one mirror and then from the other. The resultant deviation is

A
60°

B
120°

C
180°

D
240°

Solution
Question 5
4 / -1

A plane mirror reflects a pencil of light to form a real image. Then the pencil of light incident on the mirror is

A
Parallel

B
Convergent

C
Divergent

D
None of these

Solution
Question 6
4 / -1

What should be the angle between two plane mirrors so that whatever be the angle of incidence, the incident ray and the reflected ray from the two mirrors be parallel to each other

A
60°

B
90°

C
120°

D
175°

Solution
Question 7
4 / -1

A plane mirror reflecting a ray of incident light is rotated through an angle θ about an axis through the point of incidence in the plane of the mirror perpendicular to the plane of incidence, then

A
The reflected ray does not rotate

B
The reflected ray rotates through an angle θ

C
The reflected ray rotates through an angle 2θ

D
The incident ray is fixed

Solution
Question 8
4 / -1

A plane mirror is approaching you at a speed of 10cm/s. You can see your image in it. At what speed will your image approach you

A
10cm/s

B
5cm/s

C
20cm/s

D
15cm/s

Solution
Question 9
4 / -1

Two plane mirrors are inclined to each other such that a ray of light incident on the first mirror and parallel to the second is reflected from the second mirror parallel to the first mirror. The angle between the two mirrors is

A
30°

B
45°

C
60°

D
75°

Solution
Question 10
4 / -1

A ray of light incidents on a plane mirror at an angle of 30°. The deviation produced in the ray is

A
30°

B
60°

C
90°

D
120°

Solution