English
CISCE(English Medium) ICSE Class 10
Question Papers512
Textbook Solutions55041
MCQ Online Mock Tests7
Important Solutions8280
Concept Notes & Videos1107
Time Tables21
Syllabus

Define the Focal Length.

Advertisements
Advertisements

Question

Define the focal length.

Definition
Advertisements

Solution

It is the distance of the principal focus of the lens from its centre.

shaalaa.com
  Is there an error in this question or solution?
Share
Notifications

Englishहिंदीमराठी
Login
Create free account


      Forgot password?
Course
Use app×