1.

Find the power of a convex lens of focal length 2 m.

Answer»

Solution :GIVEN : Focal length (F) = 2 m
To find :
POWER of convex lnes (P)
Formula : P = `1/f`
Solution :
`therefore P = 1/f = 1/2 = 0.5`
`therefore P = 0.50`
The power of the convex lens is 0.5 D.


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