A convex lens of focal length 8 cm. on right side of lens.
find focal length of lens ?
Answers
Answered by
2
on both side of lens the focal length remains constant so the focal length is 8 cm
Answered by
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.
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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