Advertisements
Advertisements
Question
It is observed that during march-past we hear a base drum distinctly from a distance compared to the side drums.
(i) Name the characteristics of sound associated with the above obervation.
(ii) Give a reason for the above observation.
Advertisements
Solution
(i) Pitch and timbre
(ii) As side drums and base drums are made up of different material, so it have different frequency hence the pitch. Their quality also varies hence timbre.
APPEARS IN
RELATED QUESTIONS
A pendulum oscillates 40 times in 4 seconds. Find its time period and frequency.
The ratio of amplitude of two waves is 3:4. What is the ratio of their loudness?
The unit of loudness is _______.
Figure shows two jars A and B containing water up to different heights. Which will produce sound of higher pitch when air is blown on them?

If the amplitude of a wave is doubled, what will be the effect on its loudness?
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.
Give scientific reason for the following:
When a nail is hammering appears to get higher and higher in pitch.
The same musical note when played on a piano and when played on a flute sounds different.
The frequency of the stretched string of a fixed length is f when it is plucked in the middle. Where should it be plucked so that string vibrates with frequency (i) 2f, (ii) 3f?
Draw diagrams to show these vibrations and name them.
