Physics, asked by Goodnith, 1 year ago

A convex lens of focal length 8 cm. on right side of lens.
find focal length of lens ?

Answers

Answered by RAJ012
2
on both side of lens the focal length remains constant so the focal length is 8 cm
Answered by Saakshi01
4
hey...
again, here's ur answer Bro !!

Given,
f = 8 cm.
v = 24 cm
u = ?

1 / f = 1/v - 1/u

1/ u = 1/ v - 1/ f

1/ 24 - 1/8 = (1-3 )/ 24. = -2 / 24

therefore, 1/ u. = -1/12.

hence, u = -12 cm.
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