Author Question: Upon reflection, light undergoes no phase change: a. if the incident medium has the lower index of ... (Read 56 times)

karateprodigy · **on:** Jul 28, 2018

Upon reflection, light undergoes no phase change:
a. if the incident medium has the lower index of refraction.
b. if the incident medium has the higher index of refraction.
c. always.
d. whenever the incident angle is less than the critical angle.

Question 2

Suppose an average molecule's displacement is 1.2 m in one hour. What is the diffusion constant in SI units (m, kg, s).
a. 4.0 10-4 SI units
c. 2.8 10-5 SI units
b. 1.0 10-4 SI units
d. 4.6 10-8 SI units