An object is placed in front of a convex mirror of focal length 30 cm . If the image formed is half the size of the object then the position of the image from the mirror is?

Open in App

Solution

Suggest Corrections

Similar questions

Q. If an object is placed 10 cm in front of a convex mirror of focal length 20 cm, then distance of the image from the mirror is:

Q. The image formed by convex mirror of focal length

30 c m

is a quarter of the size of the object. Then the distance of the object from the mirror is:

Q. A concave mirror forms a real image of an object placed in front of it at a distance

30 c m

, of size three times the size of object. Find
(a) the focal length of mirro
(b) Position of image.

Q. (a) Draw a diagram to represent a convex mirror. On this diagram mark principal axis, principal focus F and the centre of curvature C if the focal length of convex mirror is 3 cm.
(b) An object 1 cm tall is placed 30 cm in front of a convex mirror of focal length 20 cm. Find the size and position of the image formed by the convex mirror.

Solve:

(1) An object of size 7 cm is placed at 25 cm in front of concave mirror of focal length 15 cm. At what distance from the mirror should a screen be placed, so that we can get a sharp and clear image. Find nature and size of the image.

(2) An object of height 5 cm is held 20 cm away from converging lens of focal length 10 cm. Find the position, nature and size of the image formed.

(3) An object is placed at a distance of 10 cm from a convex lens of focal length 12 cm. Find the position and nature of the image.

Join BYJU'S Learning Program