Question

if a convex lens has a power of 2 d then the focal length is​

Answer 1

Answer:

the solution of the qus is..p=1/f

=1/2

=0.5meter

Answer 2

Answer:

focal length of convex lens=50 cm

Explanation:

A/Q

we know that guys. ...

focal length of covex lens is positive .

p=2D ,f=?

by formula. ...

f=1/p

f=1/2

f=1/2×100

f=50 cm.