Test Index

JEE Main Physics Class 12 Ray Optics and Optical Instruments Part 1 Questions

© examsnet.com

Question : 74

Total: 99

An object at 2.4 m in front of a lens forms a sharp image on a film 12 cm behind the lens. A glass plate 1cm thick, of refractive index 1.50 is interposed between lens and film with its plane faces parallel to film. At what distance (from lens) should object shifted to be in sharp focus of film?

7.2 m
2.4 m
3.2 m
5.6 m

Go to Question:

Prev Question

Next Question