The image of a candle flame formed by a lens is obtained on a screen placed on the other
Channel: Doubtnut
Date: 2020-07-26

The image of a candle flame formed by a lens is obtained on a screen placed on the other side of the lens. If the image is three times the size of the flame and the distance between lens and image is `80 cm,` at what distance should the candle be placed from the lens ? What is the nature of the image at a distance of `80 cm` from the lens ?