For a diverging lens with one flat surface, the radius of curvature for the curved surface is 8 cm. what must the index of refraction be so that the focal length is -15 cm? a) 1.1632 b) 1.56 c) 1.35088 d) 1.18 e) 1.533

The answer is orbit around nucleus

Iwould think it would be efficiency.

Iwould say the answer is b.  christians believed jesus was the messiah, or savior of man.  because most jews do not believe  in jesus

Repeated trials allow you to calculate a mean which can reduce the effect of random errors to make your results more precise.your results will also be reproducible therefore if someone else did the same experiment they'd get the same results which would make your results more reliable.