Two identical glass equiconvex lenses of focal length are kept in contact. The space between the two lenses is filled with water . The focal length of the combination is:
Let be the radius of curvature of each surface.
Study 40% syllabus and score up to 100% marks in JEE
BTech Admissions 2025 LIVE: JEE Main, MET registration underway; how to apply
JEE Main 2025 Registration: NTA issues advisory for Aadhaar authentication, name mismatch issues
BTech Admissions 2025: JEE Main registration last date, direct link
Create Your Account
To keep connected with us please login with your personal information by phone
Dont't have an account? Register Now