Advertisements
Advertisements
Question
An object 5 cm high is placed at a distance 60 cm in front of a concave mirror of focal length 10 cm. Find the position and size of the image.
Advertisements
Solution

The position of the object is 12 cm in front of the mirror.
Its size is 1 cm.
APPEARS IN
RELATED QUESTIONS
Name the spherical mirror which can produce a virtual and diminished image of an object.
What do you mean by the term dispersion?
What do you understand by the focus and focal length of a spherical mirror? Show them on the separate diagrams for each of a concave mirror and a convex mirror.
State the direction of incident ray which after reflection from a spherical mirror gets reflected along its own path. Give a reason.
Explain the following term:
Incident ray
Draw diagram/diagrams to show them.
State the number of images of an object placed between two mirrors, formed in each case when mirrors are inclined to each other at (a) 90°, and (b) 60°.
Figure shows a concave mirror with its pole at P, focus F and centre of curvature C. Draw ray diagram to show the formation of image of an object OA.

An object forms a virtual image which is 1/8th of the size of the object. If the object is placed at a distance of 40 cm from the convex mirror, calculate:
- the position of the image
- the focal length of the convex mirror.
Define the following term:
spherical mirror
Name the two types of spherical mirrors.
