Question

kas na lens mate f=50cm hoy to lens no power ketalo​

Answer 1

$\Large\mathtt\green{ }\huge\underline\mathtt\red{Answer : }$

Given,

Focal length, f=50cm

Power, P=f100

=50100

P=2D

Since, focal length in +ve lens is convex.

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Answer 2

Answer:

100/50 = 2 dioptre. The SI unit of power is dioptre.

hope this helps ❤️ Thanks ❤️