A convex mirror has a focal length of 18cm. The image of an object kept in front of the mirror is half the height of the object. What is the distance of the object from the mirror?

Solve the numerical problem A convex mirror has a focal length of 18 cm. The image of an object kept in front of the mirror is half the height of the object. What is the distance of the object from the mirror?

A concave mirror of focal length 10 cm is used to obtain an image on a screen. The image is five times in height relative to the object. Find the distance of the object from the mirror.

Solve the numerical problem Swarali has a doll. She wishes to keep it in front of a convex mirror of focal length 18 cm such that the height of the image of the doll is half the height of the object. Where should she keep the doll? Help her to determine the position of the doll.

An object is kept in front of a concave mirror of focal length 15 cm. The image formed is three times the size of the object. The two possible distances of the object are

A convex lens has a focal length of 30 cm. An object is kept in front of it at a distance of 90 cm. Find the distance of the image from the lens. What type of image is formed?

A lens with a focal length of 25 cm produces real image of an object at a distance of 50 cm from the lens. At what distance the object placed from the lens?

A point object is moving uniformly towards the pole of a concave mirror of focal length 25 cm along its axis as shown below. The speed of the object is 1 ms" . At t = 0, the distance of the object from the mirror is 50 cm. The average velocity of the image formed by the mirror between time t = 0 and t = 0.25 s is

An object is at a distance of 10 cm from a concave mirror and the image of the object is at a distance of 30 cm from the mirror on the same side as that of the object. The radius of curvature of the concave mirror is

Solve the numerical problem A spherical mirror is used to obtain an Image on a screen. The height of the image is five times that of the object. What is the type of mirror and at what distance is the object Placed from the mirror?