Question

the image of a candle flame formed by a screen placed on the other side of the lens. If the image is 3 times the size of the distance between lens and image is 80cm, at which distance should the candle be placed from the lens? what type of lens is it?​

Answer 1

Answer:

ANSWER

Given, magnification =−

u

v

=3 and v=80 cm

So, object distance, u=−

3

v

=−

3

80

=−26.67 cm