Assertion(A): A convex lens of focal length 30 cm can’t be used as a simple microscope in normal setting.
Reason (R): For normal setting, the angular magnification of simple microscope is M=D/f

The question given below consist of an assertion (A) and a reason ( R). Use the following key to choose the appropriate answer to these questions from the codes (a), (b), ( c) and (d) given below: (a) Both A and R are true and R is the correct explanation of A. (b) Both A and R are true but R is NOT the correct explanation of A. (c) A is true but R is false. (d) A is false and R is also false. Assertion: A convex lens of focal length 30 cm and can't be used as a simple microscope in normal setting. Reason: For normal setting, angular magnification of simple microscope is M=D//F .

A convex lens is used as a simple microscope . True/False

Convex lens of focal length f is used as simple microscope. D is the least distance for distinct vision.

A thin convex lens of focal length 5 cm is used as a simple microscope by a person with normal near point (25"cm") . What is the magnifying power of the microscope.?