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प्रश्न
Name three characteristics of a musical sound.
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उत्तर
Sounds can be distinguished from one another by the following three different characteristics:
- loudness
- pitch or shrillness, and
- quality or timbre
संबंधित प्रश्न
Name the factor that determines Pitch of the note.
The ratio of amplitude of two waves is 3:4. What is the ratio of their loudness?
The pitch of a stringed instrument is increased by .................. tension in string.
Smaller the membrane, .................. is the pitch.
How does sound travel in air?
Which of the following determines the loudness of a sound wave?
Standing at a distance, how is it possible to detect the filling of bucket under a water tap by hearing the sound?
Two waves of the same pitch have amplitudes in the ratio 1:3. What will be the ratio of loudness?
The frequencies of notes given by flute, guitar and trumpet are respectively 400 Hz, 200 Hz and 500 Hz. Which one of these has the highest pitch?
Two identical guitars are played by two persons to give notes of the same pitch. Will they differ in quality? Give a reason for your answer.
A man playing a flute is able to produce notes of different frequencies. If he closes the holes near his mouth, will the pitch of the note produced, increase or decrease? Give a reason.
Explain the following and illustrate your answer by drawing appropriate diagram:
Frequency
Explain the following and illustrate your answer by drawing appropriate diagram:
Loudness
Give scientific reason for the following:
When a nail is hammering appears to get higher and higher in pitch.
Name the factors which determine the pitch of a note.
How do you account for the fact that two strings can be used to give notes of the same pitch and loudness but of different quality?
Draw a diagram to show the waveforms of a pure note and a musical note, of the same pitch and same loudness.
A 0.6 m long stretched wire is made to vibrate in two different modes as shown in figure
(a)
(b)
(i) If the frequency of the note produced in (b) is n, what is the frequency in case (a)?
(ii) In which case (a) or (b), is the note louder? Give reasons.
(iii) In which case is the pitch higher? Give reason.
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
