Power of lens having focal length 25cm
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what should we find
p=1/f
p=1/25
p=100/25
p= 4 d
p=1/f
p=1/25
p=100/25
p= 4 d
venkat4613:
brainliest plZ
Answered by
0
power = inverse of focal length..
hence focal length of this lens is
1/25
now the sign depends on whether the lens is concave or convex.
If it is concave then -ve sign otherwise +ve.
Hope it helps!!
hence focal length of this lens is
1/25
now the sign depends on whether the lens is concave or convex.
If it is concave then -ve sign otherwise +ve.
Hope it helps!!
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