Question

a lens has a power +2.0D The type of lens and its focal length will be​

Answer 1

Answer:

0.5 cm

Explanation:

p=1/f =1/2.0=O.5 cm

Answer 2

Given :-

• Power of lens +2.0D .

To Find :-

• Focal length

Answer :-

• F = 1/D

=> F = 1/2

=> F = 0.5m