Spherical Mirrors, Image Formation and Their Uses
Important Questions on Spherical Mirrors, Image Formation and Their Uses
The diagram below shows a convex mirror. C is its centre of curvature and F is its focus. Draw two rays from A and hence locate the position of the image of object OA. Label the image IB.
A real and enlarged image can be obtained by using a:
The image formed by a convex mirror is:
For an incident ray directed towards centre of curvature of a spherical mirror, the reflected ray:
At what distance from a concave mirror of focal length 25cm should an object be placed so that the size of image is equal to the size of the object. Draw a ray diagram to show this.
Name the mirror which always produces an erect and virtual image. How is the size of the image related to the size of the object?
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.
Draw a ray diagram to show the formation of a concave mirror for an object beyond its centre of curvature. State three characteristics of the image.
Draw a ray diagram to show the formation of image by a concave mirror for an object placed between its pole and focus. State three characteristics of the image.
An object is placed at 4cm distance in front of a concave mirror of radius of curvature 24cm. Find the position of the image. Is the image magnified?
An object of height 2cm is placed at a distance 20cm in front of a concave mirror of focal length 12cm. Find the position, size and nature of the image.
The focal length of a concave mirror is 10cm. Find its radius of curvature.
The radius of curvature of a convex mirror is 40cm. Find its focal length.
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.
When a concave mirror is used as a shaving mirror, state three characteristics of the image seen by it.
When a concave mirror is used as a shaving mirror, where is the person's face in relation to the focus of the mirror?
State the kind of mirror used as a search-light reflector.
State the kind of mirror used by a dentist.
State two uses of a concave mirror.
