Question

The power of lens is -5D
A) Find it's focal length
B) Name the type of lens

Answer 1

i hope that it will help you....

Answer 2

HEEY MATE ❤️❤️❤️

HERE IS UR ANSWER...

p = -5D

so it's a concave lens ( since it's power is -ve)

WKT,

P = 1/f

so 1/f = -5

f = 1/-5

f = 0.2 m

or

f = 20cm

HOPE YOU ❤️ ❤️❤️ WILL GET IT

STAY BLESSED ❤️ ❤️

SORRY FOR LATE ANSWER..IT WAS DUE TO NETWORK PROBLEM..