Question

find the focal length of lens of power 2.oD what type of lens is mix?​

Answer 1

Answer:

Answer

Given, lens of power P=(−2.0)D

Power, P= 1/f

f= 1/p

= 1/-2

f=−0.5 m

Since focal length is negative, it is concave lens.

Explanation:

hope it helps you

good morning

have a great day ♥

Answer 2

Answer:

given above

Explanation:

have a look in that