Question

Light waves have
frequency

wavelength

both frequency and wavelength

neither frequency nor wavelength
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Low energy waves have

a short wavelength

a long wavelength

neither a short nor a long wavelength

no waves
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As sound from a moving source moves away from you, the pitch of the sound

remains the same

goes up

goes down

gets louder

Answer 1

1) Both
2)Short Wavelength
3)Goes down