According to the Doppler Effect

Multiple Choice

According to the Doppler effect,

A) spectral lines are split into two or more wavelengths when the source of the light is in a strong magnetic field.
B) the wavelength of light is shifted to a longer wavelength if the source of the light is moving toward the observer.
C) the wavelength of peak emission of light from a source changes as the temperature of the source changes.
D) the wavelength of light is shifted to a shorter wavelength if the source of light is moving toward the observer.