Question

Assertion : Magnification of the lens is the ratio of the size of the image to that of the object.
Reason : Magnification (m) for concave lens is always negative.​

Answer 1

Answer:

B

Explanation:

A is true But not a correct reason

R is also true

THANK YOU

Answer 2

Assertion is correct but the Reason is incorrect.

- The magnification (m) of the lens is the ratio of the size of the image to the size of the object.

m = h2 / h1

- Magnification (m) for concave lens is always positive as they always produce images that are upright, virtual, reduced in size and  are located on the left side of the lens.