Question

A lens has a power of – 0.25 D .It is

Select one:

A. A concave lens of focal length 25cm

B. A convex lens of focal length 4m

C. A convex lens of focal length 25cm

D. A concave lens of focal length 4m

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Answer 1

Explanation:

I think option A is the correct

Answer 2

Answer:

This is your answer, I hope it will help you dear friend.