Science, asked by levikunaal7167, 1 year ago

Focal length of the lens in a photographic camera is 5cm. What is the power and nature of the lens?

Answers

Answered by alfaromeo
34
Power = 100/f(in cm)

power = 100/5 = +20 Diaptore
The lens is Convex as the power is positive and the focal length is also positive.
Answered by Periperiprathyush
7

Guys the answerof alfaromeo is wrong

Pls see the below answer

P=100/f (in cms)

=100/5

1m= 100cm

0.2m= 20cm

Hence,tge poweris 0.2D

The lens is convex as it is positive

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