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प्रश्न
Draw a diagram to show the wave pattern of high pitch note and a low pitch note, but of the same loudness.
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उत्तर
The first diagram is high pitch note and second one is low pitch note.
संबंधित प्रश्न
An enemy plane is at a distance of 300 km from a radar. In how much time the radar will be able to detect the plane? Take velocity of radio waves as 3 x 108 ms-1
The pitch of a flute is decreased by ................... length of air column.
Figure shows four waves A, B, C, and D
Name the wave which shows
(a) a note from a musical instrument,
(b) a soft note
(c) a shrill note.
Explain the following and illustrate your answer by drawing appropriate diagram:
Loudness
Give scientific reason for the following:
Windows sometimes rattle when the low notes of a pipe organ are sounded.
When a gun is fired at a distance, why is it that the flash is seen almost instantaneously while the sound is heard a little later?
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.
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.
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
