Question

9 (iii) What is the formula for magnification obtained
with a lens?
a) Ratio of height of image to height of object
b) Double the focal length.
c) Inverse of the radius of curvature.
d) Inverse of the object distance.

Answer 1

a) ratio of height of image to height of object.

Answer 2

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a)Because

Magnification is always the Ratio of height of image to height of object.