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chapter light - reflection and refraction

Authored by SARTHAK 1033

Physics

10th Grade

Used 2+ times

chapter light - reflection and refraction
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16 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

magnifucation of a plane mirror is

-1

0

infinite

+1

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

if the power of lens is -2D . the focal length is 

+50

-50

100

-100

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

which of the mirror can produce real and inverted image

plane mirror

convex mirror

concave mirror

concave lens

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

a virtual erect and enlarged image is formed in case of convex lens where the object is placed

infinity

at 2F1

between F1 and 2F1

between F1 and optical centre O

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

A 10 mm long awl pin is placed vertically in front of a concave mirror. A 5 mm long image of the awl pin is formed at 30 cm in front of the mirror. The focal length of this mirror is

-20

-30

-60

-40

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following can make a parallel beam of light when light from a point source is incident on it?

Concave mirror as well as convex lens

Convex mirror as well as concave lens

Two plane mirrors placed at 90° to each other

Concave mirror as well as concave lens

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

The diagrams showing the correct path of the ray after passing through the

II and III only

I and II only

I, II and III

I, II and IV

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