Advertisements
Advertisements
Question
Solution
Pitch of a musical noted depends on its wavelength or frequency. Higher the frequency, higher the pitch.
Loudness depends upon the amplitude of the wave. Loudness is directly proportional to the square of amplitude.
Quality of a musical depends on the wave form.
APPEARS IN
RELATED QUESTIONS
If the amplitude of vibration is large, sound is feeble.
Name the factor that determines Quality of the note
A person standing between two vertical cliffs and 480 m from the nearest cliff shouts. He hears the first echo after 3s and the second echo 2s later. Calculate:
1)The speed of sound.
2) The distance of the other cliff from the person
Name and define the characteristic which enables one to distinguish two sounds of same loudness, but of different frequencies, given by the same instrument.
Two waves of the same pitch have amplitudes in the ratio 1 : 3 What will be the ratio of their
- loudness,
- pitch?
Name musical instrument, one in each case, which produces its notes by using the following. In each case state the method used to produce notes of different pitches and loudness.
(a) A vibrating string.
(b) A vibrating column air.
(c) Vibration of any other body.
Draw a diagram to show the waveforms of a pure note and a musical note, of the same pitch and same loudness.
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
