Focal power of a lens has dimensions

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1.Units, Dimensions and Measurement

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The focal power of a lens has the dimensions

A$[ L ]$

B$\left[ ML ^2 T ^{-3}\right]$

C$\left[L^{-1}\right]$

D$\left[ ML ^{-3}\right]$

Solution

(c)
Focal length $\Rightarrow f=[L]$

Standard 11

Physics

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