# Lens Equation MCQs Test and Answers pdf Download

Practice lens equation MCQs and physics for test prep and learning. Free geometrical optics notes has multiple choice questions (MCQ) with lens equation quiz as if a concave lens have focal length of 15 cm and image distance is 10 cm then object distance is with answering options 30 cm, 50 cm, 40 cm and 60 cm for exam preparation. Study to learn lens equation quiz with MCQs to find questions answers based online tests.

## MCQs on Lens Equation

MCQ. If a concave lens have focal length of 15 cm and image distance is 10 cm then object distance is

- 30 cm
- 50 cm
- 40 cm
- 60 cm

A

MCQ. Focal length is positive for

- diverging lens
- converging lens
- biconcave lens
- both A and C

B