MEDIUM
9th ICSE
IMPORTANT
Earn 100

State two uses each of concave mirror and convex mirror.

Important Questions on Light

HARD
9th ICSE
IMPORTANT
You are given a concave mirror of focal length 10 cm. An object is placed in front of the concave mirror at a distance equal to twice of the focal length of the mirror. Where will the image be formed? State its nature also.
HARD
9th ICSE
IMPORTANT
You are given three mirrors of equal size-plane, convex and concave. How will you identify them without touching their surfaces?
HARD
9th ICSE
IMPORTANT
A patient for eye testing looks in a plane mirror placed 2 m in front of him/her and a chart is placed 3 m behind him. How far away from him/her will the chart seem to be?
HARD
9th ICSE
IMPORTANT
Out of two mirrors (convex or plane) which has wider field of view? Justify your answer with the help of proper ray diagrams.
HARD
9th ICSE
IMPORTANT
Obtain a relation between radius of curvature and focal length of a concave mirror. 
MEDIUM
9th ICSE
IMPORTANT
Sunlight is incident on a concave mirror parallel to its principal axis. The image is formed at a distance of 26 cm from the pole. Find the radius of curvature of the concave mirror in SI units.
HARD
9th ICSE
IMPORTANT

In the given figure, AB is an object, A'B' is its image and MN is the position of the mirror. State the kind of mirror. Also, complete the ray diagram to show the formation of the image.

Question Image

HARD
9th ICSE
IMPORTANT
In a dark room, a parallel beam of light is incident on a plane mirror and another parallel beam of light is incident on a white wall. What will be your observation and why?