A ray of light in water strikes an airwater interface at an angle ...

[Mimi]

A ray of light in water strikes an airwater interface at an angle of incidence greater than the critical angle. The ray
 a. emerges but is bent away from the normal.
  b. travels along the interface.
  c. emerges but is bent toward the normal.
  d. is totally reflected into the water.

Question 2

In electron diffraction, an electron moving at speed v << c acts like
 a. a particle with momentum mv.
  b. a particle with position coordinate v/t.
  c. a wave with wavelength v/t.
  d. a wave with wavelength h/mv.
  e. both a particle with position coordinate v/t and a wave with wavelength v/t.

[bfulkerson77]

Answer to Question 1

d

Answer to Question 2

d

[Mimi]

Excellent

[diana chang]

Thanks for the timely response, appreciate it