A point object is placed at a distance 30 cm in front of a concave mirror of focal length 20 cm. Find the nature and location of image obtained.

An object is placed at a distance of 50 cm from a concave lens of focal length 20 cm. Find the nature and position of the image.

An object is placed at a distance of 36 cm from a concave mirror of focal length 12 cm. Find the image distance.

An object is placed at a distance of 40 cm in front of a concave mirror of focal length 20 cm. The image produced is

An object is placed at a distance of 30 cm from a concave lens of focal length 15 cm . Find the nature and position of the image.

A point object is placed at distance of 30 cm in front of a convex mirror of Focal length 30 cm. The image will form at

A point object is placed at distance of 30 cm in front of a convex mirror of Focal length 30 cm. The image will form at

An object is placed at a distance of 50cm from a concave lens of focal length 20cm. Find the nature and position of the image.

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.

An object is placed at 6 cm distance in front of a concave mirror of focal length 4 cm. Find the position of the image period.