What's the most courageous thing you've ever done?
just for refreshing your brain with brainly ❤️
Answers
Answered by
1
Answer:
I stood up against my school for violent student punishments.
Answered by
1
Explanation:
The focal length of an optical system is a measure of how strongly the system converges or diverges light; it is the inverse of the system's optical power. A positive focal length indicates that a system converges light, while a negative focal length indicates that the system diverges light
just giving answer like this
Similar questions