Question

the object is placed at 10 cm from the optical centre of the lens having focal length 12 cm find the image distance

Answer 1

I hope it will help you

in this question Lens is concave lens

Answer 2

Hello dear,

● Answer -
v = 5.45 cm

● Explanation -
# Given -
u = -10 cm
f = 12 cm

# Solution -
Using lens formula,
1/f = 1/v - 1/u
1/12 = 1/v - 1/-10
1/v = 1/12 + 1/10
v = 60/11 cm
v = 5.45 cm

Therefore, image distance is 5.45 cm.

Hope this helps you.
Thank you.