A concave mirror forms an erect and there times magnified image on the axis of the mirror at a distance of 32 cm from the object. What is the focal length of the mirror?

When an object is placed at a distance of 40 cm from a concave mirror, the size of image is one fourth that of the object. A. Calculate the distance of image from the mirror b. What will be the focal length of the mirror?

The image of a distant object is formed at 30 cm from a concave mirror. What is the focal length of the mirror?

A spherrical mirror forms an erect image three times the size of the object, If the distance between the object and the inage is 80 cm. The nature and the focal length of the mirror are

A spherrical mirror forms an erect image three times the size of the object, If the distance between the object and the inage is 80 cm. The nature and the focal length of the mirror are

A concave mirror forms a real image of an object placed in front of it at a distance 30 cm, of size three times the size of object. Find the focal length of mirror.

A concave mirror forms an image of an object, magnified 4 times. When the object is moved through 5 cm along the axis of the mirror, the magnification of the image is 5. What is the focal length of the mirror?

An object is placed in front of a concave mirror at a distance of 7.5 cm from it. If the real image is formed at a distance of 30 cm from the mirror, find the focal length of the mirror. What would be the focal length if the image is virtual.

An object is placed in front of a concave mirror at a distance of 7.5 cm from it. If the real image is formed at a distance of 30 cm from the mirror, find the focal length of the mirror. What would be the focal length if the image is virtual.

For an object placed at a distance 20 cm from a concave mirror, the image is formed at the same position. What is the focal length of the mirror?