Physics, asked by hitanshu, 1 year ago

define focal length...

Answers

Answered by Anonymous
2
the distance from a focal point of a lens or mirrorto the corresponding principal plane. 

Anonymous: plzz mark as brainliest answer if it helps you ^_<
Anonymous: thnq for marking... (:
Answered by Anonymous
1
The distance b/t the centre of a lens and focus
Similar questions