A light source embedded in a block of glass emits a ray a frequency of 5.7×1014Hz. When the light ray exits the glass into vacuum, which of the following statements about what happens will be true? Assume the glass has an index of refraction of 1.5 and is perfectly transparent and does not absorb any light.

A. The speed of the light will increase.
B. The light's amplitude will stay the same.
C. The light's speed will stay the same.
D. The light's amplitude will increase.
E. The light's wavelength will stay the same.
E The light's frequency will decrease.
G. The number of photons will stay the same.
H. The light's frequency will stay the same.
I. The light's wavelength will decrease.
J. The number of photons per second will increase.
K. The light's wavelength will increase.
L. The light's amplitude will decrease.
M. The frequency of the light will increase.
N. The light's speed will decrease.