A small candle `2.5 cm` in size is placed `27 cm` in front of a concave mirror of radius of
Channel: Doubtnut
Date: 2020-08-02

A small candle `2.5 cm` in size is placed `27 cm` in front of a concave mirror of radius of curvature `36 cm`. At what distance from the mirror should a screen be placed in order to receive 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 ?