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Class 7 cbse light

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.

Latha is observing her image in a plane mirror. The distance between the mirror and her image is 6 m. If she moves 2m towards the mirror then the distance between latha and her image will be

a)

8 m

b)

4 m

c)

10 m

d)

5 m

2.

If you are standing 2m away from a plane mirror the distance between you and your image are

a)

2m

b)

4m

c)

6m

d)

8m

3.

Angle between incident and reflected ray i.e. angle AOB is

a)

30 degree

b)

40 degree

c)

120 degree

d)

180 degree

4.

Images that can't be captured on a screen are called

a)

Real image

b)

Virtual image

c)

Proper image

d)

Imaginary image

5.

Convex lens is also called as

a)

Diverging lens

b)

Converging lens

c)

Plane lens

d)

Power lens

6.

A refracting telescope uses a concave and a

a)

Concave mirror

b)

Convex lens

c)

Both a and c

d)

Convex mirror

7.

What is the focal length of a plane mirror?

a)

1

b)

89

c)

Infinity

d)

Zero

8.

Focus is situated behind the mirror of

a)

Concave mirror

b)

Convex mirror

c)

Both

d)

None

9.

What kind of image formed by concave lens?

a)

Virtual

b)

Real

c)

Both

d)

None

10.

As the distance of the object from the mirror increases the distance of the image also increases

a)

True

b)

False

c)

Both

d)

None