MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Image Formed by a Concave Mirror

A spherical m...

Question

A spherical mirror forms image of the same size when an object is placed at a distance of 8 cm or 16 cm from the mirror. Find the radius of curvature of the mirror. Is the mirror concave or convex?

Open in App

Solution

Radius of curvature will be half of the object distance.
$\frac{8}{2} = 4 c m o r \frac{16}{2} = 8 c m$

Suggest Corrections

thumbs-up

30

Similar questions

Q. An object is placed between a convex and a concave mirror. The pole of the convex mirror coincides with the centre of curvature of the concave mirror. Suppose an object is placed at the focus of the concave mirror. What will be the nature of the image formed by the concave mirror of the image formed by the convex mirror?

Q. A mirror forms an image which is 30 cm from an object and twice its height.

(a) Where must the mirror be situated?
(b) What is the radius of curvature?
(c) Is the mirror convex or concave?

Q. A real image, equal in size to the object, is obtained when the object is placed at the centre of curvature in front of
(a) a plane mirror.
(b) a convex mirror.
(c) a concave mirror.
(d) either a convex or a concave mirror.

Q. (a) For which position of an object, a concave mirror forms a real image equal in size to the object?
(b) State one use of a concave mirror.
(c) An object of height 1 cm is placed at a distance of 15 cm from a concave mirror of radius of curvature 20 cm. Find the position, nature and size of the image formed.

Q. Define the focal length of a spherical mirror. A concave mirror produces

3

times a real image of an object placed at a distance of

10 c m

in front of it. Find the radius of curvature of the mirror.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Spherical Mirrors

PHYSICS

Watch in App

explore_more_icon

Explore more

Image Formed by a Concave Mirror

Standard IX Physics

Join BYJU'S Learning Program

CrossIcon