Physics, asked by tannu72, 1 year ago

find the focal length of a lens of power 2.0d. what type of lens is this

tannu72: plzz solve this question

Answers

Answered by ishanpandey007

40

It is a covex mirror because power is positive.
Refer to the image for focus.

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Answered by kirtikaagarwal11

17

As we know focal length (f) =1 /power(p)

Hence f = 1/-2.0

f= - 0.5

Its is convex lens since power is negative

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