Sound wave P has a greater amplitude and a larger wavelength in air than sound wave Q.
How do the loudness and pitch of P compare with the loudness and pitch of Q?
1 )
P is louder and higher in pitch than Q.
P is louder and lower in pitch than Q.
3 )
P is quieter and higher in pitch than Q.
4 )
P is quieter and lower in pitch than Q.
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