The image formed by a convex mirror of focal length 0.3 m is a quarter of the object. What is the distance of the object from the mirror?

A convex mirror of focal elongth f produces an image magnified m times.The distance of the object from mirror is

We wish to obtain an erect image of an object, using a concave mirror of focal length 15cm what should be the range of distance of the object from the mirror? What is the nature of the image ? Is the image larger or smaller than object? Draw a ray diagram to show the image formation in this case.

If a concave mirror of focal length f produces a real image n times the size of the object,then find the distance of the object from the mirror.

A convex lens forms a virtual image of an object. What is the position of the object?

An object is placed in front of a convex mirror of focal length 30 cm.If the image formed is a quarter of the size of the object,find the position of the image.

The image of an object formed by a convex mirror is always…..

An object of size 5 cm is placed at distance 25 cm in front of a concave mirror of focal length 20 cm. Find the size and nature of image formed ? Also find distance of image from the mirror.

A short linear object of length b lies along the axis of a concave mirror of focal length f at a distance u from the pole. What is the size of the image?