An object is placed in front of a concav...

An object is placed in front of a concave mirror, a three times magnified image is formed. If the object is moved through a distance 20 cm towards the mirror, a virtual image of same magnification is formed. What is the focal length of the mirror?

Similar Questions

Explore conceptually related problems

An object is placed at 20 cm in front of a concave mirror produces three times magnified real image. What is focal length of the concave 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 placed at 20cm in front of a concave mirror produces three times magnified real image. What is the focal length of the concave mirror?

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?

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 placed in front of a concave mirror at a distance of x cm from the pole gives a 3 times magnified real image. If it is moved to a distance of (x+5) cm, the magnification of the image becomes 2 . The focal length of the mirror is

An object is placed in front of a concave mirror, a three times magnified image is formed. If the object is moved through a distance 20 cm towards the mirror, a virtual image of same magnification is formed. What is the focal length of the mirror?

Similar Questions

Recommended Questions