10 questions
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
8 m
4 m
10 m
5 m
If you are standing 2m away from a plane mirror the distance between you and your image are
2m
4m
6m
8m
Angle between incident and reflected ray i.e. angle AOB is
30 degree
40 degree
120 degree
180 degree
Images that can't be captured on a screen are called
Real image
Virtual image
Proper image
Imaginary image
Convex lens is also called as
Diverging lens
Converging lens
Plane lens
Power lens
A refracting telescope uses a concave and a
Concave mirror
Convex lens
Both a and c
Convex mirror
What is the focal length of a plane mirror?
1
89
Infinity
Zero
Focus is situated behind the mirror of
Concave mirror
Convex mirror
Both
None
What kind of image formed by concave lens?
Virtual
Real
Both
None
As the distance of the object from the mirror increases the distance of the image also increases
True
False
Both
None