Focal length, radius of curvature, image distance, size of image.

A linear object of heigth 10 cm is kept in front of concave mirror of radius of curvature 15 cm, at distance of 10 cm. The image formed is

The relation between focal length f and radius of curvature R of a spherical mirror is.

A convex lens of focal length f produces a real image 3 times as that of size of the object, the distance between the object and the lens is

Answer the following questions: An object is placed at 60 cm in front of a concave mirror of radius of curvature 60 cm. State the nature and size of the image relative to that of the object.

A poinit object O is placed in front of a glass rod having spherical end of radius of curvature 30cm . The image would be formed at

Answer the following questions: When an object is moved from infinity to the centre of curvature of a concave mirror, what happens to the image distance and the size of the image?

When an object is placed at 6 cm in front of a concave mirror, its virtual image is formed at 15 cm from the mirror. Find the focal length and radius of curvature of the mirror.

Solve the numerical problem When an object is kept at 6 cm in front of a concave mirror, its image is obtained at 24 cm behind the mirror. Find the focal length and radius of curvature of the mirror.

An arrow of 2.5 cm height is placed at a distance of 25 cm from a diverging mirror of focal length 20 cm. Find the nature, poistion and size of the image formed.

Solve the numerical problem An object is placed at 50 cm from a concave mirror of radius of curvature 60 cm. Find the image distance. What is the nature of the image?