A candle flame and a screen are 180 cm apart. A lens is placed between them. For

a certain position of the lens a twice magnified clear image is obtained on the

screen. The lens is now moved away from the candle through 30 cm. To obtain

another clear image on the screen, the distance through which the screen has to

be moved is _ and the new magnification of the image is __.

Question

A candle flame and a screen are 180 cm apart. A lens is placed between them. For

a certain position of the lens a twice magnified clear image is obtained on the

screen. The lens is now moved away from the candle through 30 cm. To obtain

another clear image on the screen, the distance through which the screen has to

be moved is _________ and the new magnification of the image is __________.

sanatan sharma · Answer

the distance through which the screen has to be moved is - 15 cm towards the lens. the magnification will be (-5/6)

1 Answers