What happens to a light wave that travels through glass and strikes a boundary with water at a 45° angle?
A. It reflects back into the glass with a 45° angle of reflection.
B. It reflects back into the glass in the direction it was traveling from.
C. It refracts in the water, toward the boundary.
D. It refracts in the water, away from the boundary.

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.