Question

if distance between object & spherical mirror is d=12cm & size of images is one 3rd of object. if image is upright. find the distance of image from mirror​

Answer 1

We know that , magnification

′

m

′

can be given by :

m=

3

1

As the image formed by a convex images are always upright and virtual,

m=−

u

v

⇒

3

1

=−

u

v

⇒v=−

3

1

u

⇒ Since

′

u

′

is always negative , u=3v

This is the relation between u and v