Name the factor that determines the loudness of the sound heard.
Hence, the amplitude of vibration determines the loudness of the sound heard.
State the factor that determines
(i) the pitch of a note,
(ii) the loudness of the sound heard, and
(iii) the quality of the note.
Name the quantity from below which determines the loudness of a sound wave :
(a) Wavelength
(b) Frequency, and
(c) Amplitude.
State three factors on which loudness of sound heard by a listener depends.