(English Medium) ICSE Class 9 - CISCE Question Bank Solutions

Name the kind of mirror used to obtain :

A real and enlarged image

Name the kind of mirror used to obtain:

A virtual and enlarged image

Name the kind of mirror used to obtain:

A virtual and diminished image

Name the kind of mirror used to obtain:

A real and diminished image. 

How is the focal length of a spherical mirror related to its radius of curvature?

Write the spherical mirror's formula and explain the meaning of each symbol used in it.

What is meant by magnification? Write its expression. What is its sign for the (a) real (b) virtual, image?

Why does a driver use a convex mirror instead of a plane mirror as a rear view mirror?
Illustrate your answer with the help of a ray diagram.

Which mirror will you prefer to use as a rear view mirror in a car : plane mirror or convex mirror? Give one reason. 

(a) When a concave mirror is used as a shaving mirror, where is the person's face in relation to the focus of mirror?

(b) State three characteristics of the image seen in part (a). 

State the kind of mirror used

(a) By a dentist,

(b) As a search-light reflector. 

How will you distinguish between a plane mirror, a concave mirror and a convex mirror, without touching them? 

Upto what maximum distance from a concave mirror, the image can be obtained? What will be the location of object for it?

Upto what maximum distance from the pole the image in a convex mirror can be obtained? what will be the location of object then ? 

Draw a ray diagram to show the formation of image of an object kept in front of a convex mirror. State three characteristics of the image. 

For an incident ray directed towards centre of curvature of a spherical mirror the reflected ray:

The image formed by a convex mirror is 

A real and enlarged image can be obtained by using a