Physics for IGCSE & O level - Waves And Sounds (Section 3 - No. 33)
What will happen if the sound is made louder (oscillation on an oscilloscope)?
The sound will have a higher pitch.
The sound will be louder.
The sound will have a lower pitch.
The wavelength will decrease.
הֶסבֵּר
Louder sounds have greater amplitudes.