A monochromatic (single frequency, single wavelength) light ray ...

[sdfghj]

A monochromatic (single frequency, single wavelength) light ray in air (n = 1) enters a glass prism (n = 1.5). In the glass prism
 a. both the frequency and the wavelength are the same as in air
  b. the frequency is the same, but the wavelength is greater than in air.
  c. the frequency is the same, but the wavelength is smaller than in air.
  d. the wavelength is the same, but the frequency is greater than in air.
  e. the wavelength is the same, but the frequency is smaller than in air.

Question 2

When light is either reflected or refracted, the quantity that does not change in either process is its
 a. direction of travel.
  b. dispersion.
  c. frequency.
  d. speed. e. wavelength.

[efwsefaw]

Answer to Question 1

C

Answer to Question 2

C

[sdfghj]

Gracias!

[epscape]

Thanks for the timely response, appreciate it