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 has a higher pitch than B
A is louder than B
B has a greater speed than A
B is louder than A
A and B have the same quality
Correct answer is B
No explanation has been provided for this answer.