When a beam of monochromatic light passes from air into fused quartz with an index of refraction of 1.46, which of the following correctly describes the changes to the light’s speed, frequency, and wavelength inside the quartz?
a) Speed decreases, frequency decreases, wavelength is unchanged
b) Speed decreases, frequency is unchanged, wavelength increases
c) Speed decreases, frequency is unchanged, wavelength decreases
d) Speed is unchanged, frequency decreases, wavelength decreases