Question

the focal length of convex lens is 50cm. if an object is kept at a distance and magnification produced by the lens? 2mark answer​

Answer 1

Is it correct or not comment me

Answer 2

Answer:

using 1/f=1/v-1/v

Explanation:

f=50cm

u=-75

1/50=1/v+1/75

1/v=1/50-1/75

1/v=75-50/75*50

v=75*50/25

v=150

m= -v/u

=150/75=2