Question

If the object has the height of 2cm kept in front of a convex lens

at some position where the image has the height of 4cm. Find the

magnification of the lens​

Answer 1

Answer:

It is given that a convex lens of focal length

f=+20cm

m=+2

∵m=

u

v

v=2u..........(1)

Using lens formula

v

1

−

u

1

=

f

1

2u

1

−

u

1

=

20

1

u=−10cm

Hence, object is placed at a distanc

Plz follow me and subscribe to my channel MEDICUS GNARITAS