Question text
25 A loudspeaker produces a sound wave of frequency 50Hz. The amplitude of the sound wave is increased. What is heard? A a louder sound of a higher pitch B a louder sound of the same pitch C a sound of higher pitch but the same loudness D a sound of the same pitch and same loudness
25 A loudspeaker produces a sound wave of frequency 50Hz.
The amplitude of the sound wave is increased.
What is heard?
A a louder sound of a higher pitch
B a louder sound of the same pitch
C a sound of higher pitch but the same loudness
D a sound of the same pitch and same loudness
Select your answer: