Anyone. in class 9(cbse) whose annual exams question. paper is coming from cbse board.if ur exams are completed then, plzz send the pic of all subjects question. papers
Answers
Answered by
6
Answer:
It is the capacity or the ability of a lens to deviate (converge or diverge) the path of rays passing through it. A lens producing more converging or more diverging, is said to have more power. The power of a lens is related to its focal length, f by the equation: The unit for power is dioptre (D).
Similar questions