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(Hindi)Vibrations of air columns in closed organ pipe
Lesson 11 of 21 • 2 upvotes • 7:45mins
Rajesh Kumar
Vibrations of air column in closed organ pipe.The organ pipes produce sound from the vibrations of standing waves in a columnof air with in a pipe or tube.A vibrating tuning fork of frequency n is held near the open end of the tube.Closed cylindrical air column will produce resonant standing waves at a fundamental frequency and at odd harmonics. The closed end is constrained to be a node of the wave(displacement wave) and the open end is of course an antinode. This makes the fundamental mode such that the wavelength is four times the length of the air column. Organ pipes are musical instruments which are used to produce musical sound by blowing air into the pipe. Organ pipesare two types (a) closed organ pipes,closed at one end (b) open organ pipe,open at both ends. v(frequency of vibrations of air column) = (2n+1) u/4l, where n=0, 1,2... Only odd harmonics present.
(Hindi) Sound wave
21 lessons • 3h 20m
1
Sound Wave Course Overview (in Hindi)
5:08mins
2
Nature and Propagation of Sound Wave (in Hindi)
10:19mins
3
Wavefront, displacement Wave and Pressure Wave (in Hindi)
13:10mins
4
Speed of Sound Wave in Material Medium (in Hindi)
7:14mins
5
Speed of Sound Wave in Solid and Gases (in Hindi)
8:37mins
6
(Hindi)Effect of pressure, temperature and humidity on the speed of sound in air
8:28mins
7
(Hindi) Intensity of sound wave
8:59mins
8
(Hindi) Appearance of sound to human ear
7:10mins
9
(Hindi) Interference of sound wave
10:14mins
10
(Hindi) Reflection of sound wave
10:16mins
11
(Hindi)Vibrations of air columns in closed organ pipe
7:45mins
12
(Hindi) Vibrations of air column in open organ pipe
10:47mins
13
(Hindi) Determination of speed of sound in air,Resonance Column Method
9:14mins
14
(Hindi)Kundt's tube experiment speed of sound in gas and rod
11:58mins
15
BEATS
12:36mins
16
Diffraction of sound wave
10:31mins
17
Doppler effect in sound wave.
9:58mins
18
Change in wavelength, Sonic Boom and Mach Number
9:19mins
19
Musical scale, acoustic of building, Reverberation Time, Echo
12:06mins
20
Numerical exercise no 01, based on sound wave
10:05mins
21
Numerical exercise no 02
6:21mins
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