Which of the following sentence is incorrect?
1. A lens has two focal points
2. The distance between focas and optic centre is
" known as focal length
3. The mid point of a thin lens is called optic centre of lens
4. A lens has two radii of curvature
5.All the above
Answers
Answered by
0
Step-by-step explanation:
The mid point of a thin lens is called optic centre of lens
this is incorrect
Similar questions
Economy,
1 month ago
Chemistry,
1 month ago
Political Science,
2 months ago
English,
2 months ago
Social Sciences,
9 months ago
English,
9 months ago
English,
9 months ago