Advertisements
Advertisements
प्रश्न
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?
Advertisements
उत्तर
Jar B which has less air column above water will produce the sound of a higher pitch.
Less air column produces increased frequency.
APPEARS IN
संबंधित प्रश्न
Loudness is determined by the __________ of vibration.
Name one property of waves that do not change when the wave passes from one medium to another.
When sound propagates in air, it does not carry energy with it.
The time period of a wave is 2 s. Its frequency is ..........
Define the following term:
Frequency
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.
The diagram below shows three ways in which the string of an instrument can vibrate.
(i) Which of the above diagrams shows the fundamental note?
(ii) Which has the frequency 4 times that of the fundamental?
(iii) State the ratio between the frequency of the first and second.
If ______ of sound is decreased, its loudness also decreases.
What does the intensity of sound depend upon?
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
