Question

7.
Power of the lens is-40, its focal length is
a) 4m
b) -40m
c)-0.25m
d) 25 m​

Answer 1

here is your answer dear!!!!!❤

option (c) -0.25........

plz mark me as a brainlist!!!!!!!! ☺

Answer 2

Answer:

Your answer is option

c)-0.25 m (unit will depend on unit of the power of lens if m then m & if cm then cm).

hope it's help.