The power of the
lens is - 2D what is the focal
length and nature of the lens?
Answers
Answered by
2
Explanation:
power = 1 / focal length in metre.
= 1 / -2
= -0.5 m
Nature of lens is concave since it is negetive .
Answered by
4
Power = 1/f
Focal length = 1/P
Power = -2D
Focal length ⇒ 1 /(-2) = -0.5m
The negative sign indicates that the nature of the lens is Concave.
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