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A focal length of a lens 10cm. What is p...

A focal length of a lens 10cm. What is power of a lens in dipotre?

A

0.1D

B

10D

C

15D

D

1D

Text Solution

Verified by Experts

The correct Answer is:
B
Given, f=10cm and power, P=?
The power of lens, `P=(1)/("Focal length(m)")`
`P=(1)/(f(m)) RightarrowP=(100)/("f(cm)")=(100)/(10)=10D`
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