Question

A convex lens has a focal length of 50 cm its power is

Answer 1

Answer:

given

f=50cm

power= 1/f

=1/50

=0.02 diopteres

Answer 2

Answer:

we know,

Power= 1/ focal length (m)

Power= 1/ 0.5.....( since, focal length is in m)

power= 10/5= 2 D

hence,

Power= 2 Dioptre

hope this helps! ❤