what is focal length explain it
Answers
Answered by
2
Answer:
Heya mate!!
Explanation:
Answer refers to the attachment above.
Hope it helped u dear ✌️✌️
Attachments:
Answered by
0
Answer:
Focal length is the distance between the optic centre and the principal focus
Explanation:
Radius of the curvature is approximately twice the focal lenght
R=2f
Hope this answer is helpful
Similar questions