O-LevelPhysicsWaves5054/12 · Oct/Nov 2015 · Q251 Mark
A loudspeaker produces a sound wave of frequency 50 Hz. The amplitude of the sound wave is increased. What is heard?
Alouder sound of a higher pitch
Blouder sound of the same pitch
Csound of higher pitch but the same loudness
Dsound of the same pitch and loudness as before
✓ Correct answer
B: louder sound of the same pitch
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