Question

A concave lens forms an inverted image of size same as that of the object which is placed at a distance of 60cm in front of the lens. Find:

a) position of the image. and
b) the focal length of the lens

PLEASE SHOW THE WORKING...

I WILL DEFINITELY MARK THE BEST ANSWER BRAINLIEST!!!

Answer 1

Since image of same size is formed

image will be formed at the radius of curvature on the other side so image dist is -60 cm

2F=60cm  = radius of curvature

So, F=30cm  =1/2 radius of curvature

So, the position of the image will be 60 cm in the other side of the lens and inverted.

Focal length of the lens is 30cm

Answer 2

***BONJOUR**

^_^

"Good question".

Here is probably the perfect answer..

Provided in the attachment above..

Hope helped ! ^_^