Physics NECO SSCE 2004 Waves, Sound & Vibrations
A note, A from a guitar produces a wave of amplitude 4 mm and frequency 1000 Hz. Another note, B from a whistle produces a similar waveform of amplitude 2 mm and frequency 2200 Hz. If the two notes are compared,
A
A has a higher pitch than B
B
A is louder than B.
C
B has a greater speed than A
D
B is louder than A
E
A and B have the same quality