Science, asked by officialanishasingh, 10 months ago

A lens has a power of -0.25D. Identify the type of lens and what will be the focal length?

Answers

Answered by AChandak

1

Answer:

Concave lens

Explanation:

D=1/f (in metres)

✓-0.25D= 1/f

✓f= -1/0.25

✓f= -4

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