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(Hindi) Vibrations of air column in open organ pipe
Lesson 12 of 21 • 3 upvotes • 10:47mins
Rajesh Kumar
Vibrations of air column in open organ pipes. All harmonics present in open organ pipes. Standing wave set up by the interference of twice reflected wave and new incoming wave from source at near source open end. path difference of twice reflected wave with respect to new one is Delta is equal to 2pi/lambda x2l. For constructive interference phase difference is equal to 2 n Pi. Now amplitudes keeps on growing and finally standing wave are set up. Energy lost by various dancing effects equals the energy input from the source first resonant frequency is equal to speed divided by 2L. And length of tube is equal to Lambda /2. For n=1, fundamental frequency found and for n is equal to 2 to first overtone or second harmonics observe. For n is equal to 3 second harmonics or third harmonics observe. In open organ pipe all 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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