Test Index

JEE Main Physics Class 12 Ray Optics and Optical Instruments Part 2 Questions

© examsnet.com

Question : 1 of 112

Marks: +1, -0

An effective power of a combination of 5 identical convex lenses which are kept in contact along the principal axis is 25D. Focal length of each of the convex lens is :

[4 Apr 2024 Shift 1]

20‌cm
50‌cm
500‌cm
25‌cm

Go to Question:

Next Question