SOUND WAVE
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Lect # 1
Content Covered:
Introduction to Sound wave, variation of pressure with time and distance, variation in density and position with time.
Duration: 24 MinutesLect # 2
Content Covered:
Equation of sound wave, relation b/w pressure Amplitude and Displacement Amplitude. Phase difference b/w Pressure wave and Displacement wave. Speed of Sound wave, Newton’s formula and La-place corrections.
Duration: 32 MinutesLect # 3
Content Covered:
Dependence of speed of sound on Temperature, Pressure and relative Humidity. Intensity of sound wave, Wave front, Shape of wave-front for point source, Line source and Plane source. Variation of Intensity with distance from source.
Duration: 44 MinutesLect # 4
Content Covered:
Comparison of two sound waves. Sound level, relative Sound Level, Pitch , waveform and quality of sound. Superposition of two sound waves, interference constructive and destructive interference, Reflection of Sound, Echo.
Duration: 44 MinutesLect # 5
Content Covered:
Stationary wave in sound, vibrations of Air column in Organ pipes, Open Organ Pipe and Closed Organ Pipe
Duration: 36 MinutesLect # 6
Content Covered:
Resonance Tube method to find the speed of sound, Beats.
Duration: 30 MinutesLect # 7
Content Covered:
Doppler’s effect, when observer is moving and source is stationery, when source is moving and observer is stationary, when both source and observer are moving.
Duration: 40 MinutesLect # 8
Content Covered:
Doppler’s effect When medium is also moving.miscelleneous problems.
Duration: 44 MinutesSubscription
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