Advertisements
Advertisements
प्रश्न
Name three characteristics of a musical sound.
Advertisements
उत्तर
Sounds can be distinguished from one another by the following three different characteristics:
- loudness
- pitch or shrillness, and
- quality or timbre
संबंधित प्रश्न
A pendulum oscillates 40 times in 4 seconds. Find its time period and frequency.
Name the factor that determines Quality of the note
State the safe limit of sound level in terms of decibel for human hearing.
In a piano, pitch is decreased by
How does sound travel in air?
Define the following term:
Frequency
State the factors that determine
(a) the pitch of a note.
(b) the loudness of the sound heard.
(c) the quality of the note.
Name the unit in which loudness of sound is measured.
Give scientific reason for the following:
Windows sometimes rattle when the low notes of a pipe organ are sounded.
Name the factors which determine the loudness of a note.
The same musical note when played on a piano and when played on a flute sounds different.
How is it possible to detect the filling of a pitcher under a tap by hearing its sound at a distance?
Three musical instruments give out notes at the frequencies listed below. Flute: 400 Hz; Guitar: 200 Hz; Trumpet: 500 Hz. Which one of these has the highest pitch?
What is meant by the ‘loudness’ of a sound? How is it related to the intensity?
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.
Two waves of the same pitch have their amplitudes in the ratio 2 : 3.
(i) What will be the ratio of their loudness?
(ii) What will be the ratio of their frequencies?
Give a scientific reason.
We can hear the movement of a mosquito’s wings but we cannot hear the movement of our hands.
______ is a general term for the distinguishable characteristic of a wave.
