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12th Standard English Medium Physics Subject Ray Optics Creative 1 Mark Questions with Solution Part - I updated Creative Questions

Published on: 13/05/2022

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Std: 12th Standard - Physics

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Questions:

Multiple Choice Question

5 x 1 = 5

It is desired to photograph the image of an object placed at a distance of 3m from the plane mirror. The camera which is at a distance of 4.5 m from the mirror should be focused for a distance of ___________.

(a)

3 m

(b)

4.5 m

(c)

6 m

(d)

7.5 m

What should be the angle between two plane mirror 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°

A plane mirror produces a magnification of ____________.

(a)

-1

(b)

+ 1

(c)

Zero

(d)

Between 0 and + ∞

Two plane mirrors are at right angles to each other. A man stands between them and combs hair with his right hand. In how many of the images will he be seen using his right-hand __________.

(a)

None

(b)

(c)

(d)

A man is 180 cm tall and his eyes are 10 cm below the top of his head. In order to see his entire height right from toe to head, he uses a plane mirror kept at a distance of 1m from him. The minimum length of the plane mirror required is _____________.

(a)

180 cm

(b)

90 cm

(c)

85 cm

(d)

170 cm