An image is formed 5 cm behind a convex mirror of focal length 10 cm. At what distance is the object placed from the mirror?

A real image is obtained at 30 cm from a convex lens of focal length 7.5 cm .Find the distance of the object from tne lens .

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?

The image formed in a convex mirror is always…………. .

An object of height 7 cm is kept at a distance of 25 cm in front of a concave mirror. The focal length of the mirror is 15 cm. At what distance from the mirror should a screen be kept so as to get a clear image? What will be the size and nature of the image?

An object of height 7 cm is kept at a distance of 25 cm in front of a concave mirror. The focal length of the mirror is 15 cm. At what distance from the mirror should a screen be kept so as to get a clear image? What will be the size and nature of the image?

A square wire of side 3.0 cm is placed 25 cm away from a concave mirror of focal length 10 cm . What is the area enclosed by the image of the wire ? The centre of the wire is on the axis of the mirror, with its two sides normal to the axis.

Rajashree wants to get an inverted image of height 5 cm of an object kept at a distance of 30 cm from a concave mirror. The focal length of the mirror is 10 cm. At what distance from the mirror should she place the screen ? What will be the type of the image, and what is the height of the object?

A convex lens forms a real and inverted image of a pencil at a distance of 40 cm from the lens. The image formed is of the same size as the object Find the focal length and power of the lens. At what distance is the : object placed from the lens?

An object is placed in front of a convex mirror of focal length 60 cm. If image formed is half the size of the object, the position of the image

An object is kept at 60 cm in front of a convex lens of focal length 15 cm . Find the image distance and the nature of the image . Also find the magnification produced by the lens.