Question

-0. 75 find the focal length of the power

Answer 1

Answer:

power =0.75W

we know that

focal length=1/power

f=-1/0.75

= -100/75

= - 4/3

-1.33m

Answer 2

Answer:

1.33m

Explanation:

1/Power = focal length = 1.33 m.  

Hope it helps : )