The distance between the pole and focal point of a concave lens is 15cm then it's radius of curvature is
Answers
Answered by
1
Answer:
Answer:
radius is 30cm
Explanation:
since f=r/2
15=r/2
cross multiply
r=15*2
r= 30cm
Answered by
2
Answer:
❥F=R÷2
F=R÷2R=2×15=30
Explanation:
Hope it's helpful to you ✌️
Similar questions