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Answer:
(A) 3/2
Power of lens,
P(in dioptre) = 100 focal length f (in cm)
∴f=100/10=10cm
According to lens maker’s formula
1/f=(μ−1)(1/R₁−1/R₂)
For biconvex lens, R₁=+R,R₂=−R
∴1/f=(μ−1)(1/R−1/R)
1/f=(μ−1)(2/R)
1/10=(μ−1)(2/10)
(μ−1)=1/2=μ=
1/2+1
=3/2
PLZ FOLLOW ME
Explanation:
Answered by
2
Answer:
(A) 3/2
Power of lens,
P(in dioptre) = 100 focal length f (in cm)
∴f=100/10=10cm
According to lens maker’s formula
1/f=(μ−1)(1/R₁−1/R₂)
For biconvex lens, R₁=+R,R₂=−R
∴1/f=(μ−1)(1/R−1/R)
1/f=(μ−1)(2/R)
1/10=(μ−1)(2/10)
(μ−1)=1/2=μ=
1/2+1
=3/2
PLZ FOLLOW ME
Explanation:
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