Answer:
A
Step-by-step explanation:
We can substract the wavength of the violet light to the wavelength of the red light:
(6.5 x 10^-7 m) - (4.0 x 10^-7 m) = 2.5 x 10^-7 m
Answer:
skew
Step-by-step explanation:
Lines a and c are skew
Reason:
1) Because they will never intersect each other.
2) They are not on the same plane.
3) They are not parallel and perpendicular.
Thus the right option is skew....
Bottom right! You are correct. :)
The answer is 16, you just have to simply the whole problem