_____ mirrors magnify the cbject placed close to them.

_____ mirrors magnify the object placed close to them.

_____ mirrors make things look larger when object are placed close to it.

In a simple microscope, if the final image is located at 25 cm from the eye placed close to the lens, then magnifying power is

Two plane mirror are inclined at an angle of 72^@ . The number of images of a point object placed between them will be

A small candle 2.5 cm height is placed in front of a concave mirror of radius of curvature 36 cm at a distance 27 cm from the concave mirror. i. At what distance from the mirror should a screen be placed in order to receive a sharp image ? ii. Describe the nature and size of the image. iii. If the candle is moved close to the mirror, what will be the position of the screen ?

A small candle 2.5 cm in size is placed at 27 cm in front of a concave mirror of radius of corvature 36 cm. At what distance from the mirror should a screen be placed in order to obtain a sharp image? Describe the nature and size of the image. If the candle is moved closer to the mirror, how would the screen have to be moved ?

A point object is placed at a distance of 10cm and its real image is formed at a distance of 20 cm from a concave mirror. If the object is moved by 0.1 cm towards the mirror, the images will shift by about

A magnifying glass is a converging lens placed close to the eye. A farsighted person uses spectacles having converging lenses. Compare the functions of a converging lens used as a magnifying glass and as spectacles.

The image of an exend object placed perpendicular to the principal axis of a mirror, will be erect if