Power of Lena is -40 it's focal length is
Answers
Answered by
0
Answer:
The power of a lens is equal to the reciprocal of its focal length in meters. The power of a lens is inversely proportional to its focal length. Therefore a lens of short focal length has more power, whereas a lens of long focal length has less power.
Step-by-step explanation:
plz flow me my dear friend
Similar questions