Question

what is the meaning of power of lens -2.5D

Answer 1

HEEYEE MATE ❤️❤️❤️ HERE IS UR ANSWER...

POWER OF A LENS IS -2.5 D WHICH INDICATES THE CHARACTER OF LENS..

HERE THE LENS WILL BE CONCAVE LENS, FOCAL LENGTH WILL BE NEGATIVE...

P = 1/F

1/F = -2.5


HOPE THIS WILL HELP YOU ❤️ ❤️❤️❤️

STAY BLESSED ❤️ ❤️❤️

Answer 2

hay ...... mate here is ur answer....

The diopter is the unit of measure for the refractive power of a lens. Thepower of a lens is defined as the reciprocal of its focal length in meters, or D = 1/f, where D is the power in diopters and f is the focal length in meters.