Physics, asked by anamkazi2005, 7 months ago

A device has power-2 diopter .The device is.
a)a convex lens of focal length 50cm
b)a convex lens of focal length 2cm.
c)a concave lens of focal length 50cm

Answers

Answered by charan64983

0

the correct answer is option c

Answered by abhijeetraj50211

1

Answer:

option C is correct

Explanation:

p =1/f(m)

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