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Answer the following questions : Surbhi ...

Answer the following questions :
Surbhi from Std. X uses spectacles .
The power of the lenses in her spectacle is 0.5 D. Answer the following question from the given information :
Find the focal length of the lenses used in her spectacles.

Text Solution

Verified by Experts

As, `P=(1)/(f(m))`
`therefore" "f=(1)/(P)=(1)/(0.5)=2 m`
Thus, focal length of the lenses used in Surabhi's spectacles is 2 m.
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