Ray Optics: Simple Microscope — Magnification MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

Timer-based practiceDetailed answer reviewMobile-friendly flow

Simple Microscope — MagnificationMediumQuestion 20231

Question

Magnifying power of a simple microscope (convex lens) for image at near point (D = 25 cm) is:

A
f/D
B
D/f
C
1 + D/f
Correct
D
1 − D/f

Correct answer

1 + D/f

Explanation

For image at near point D: m = 1 + D/f. For relaxed eye (image at infinity): m = D/f. The +1 accounts for the object being within f when image is at near point.

Review Ray Optics notes Start timed chapter practice