name the type of the lens if it is power is -2.0 D find the focal length of this lens
Answers
Answered by
10
Answer:
If the power is negative then the lens is concave lens.
the focal length of the lens is =1/p
=1/-2= -0.5 metres
Answered by
4
Answer:
F=1/P
F=1/-2
F= -0.5
the lens is concave
Similar questions