Wave Motion
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H2-01: FOCUSING OF SOUND WITH CONCAVE REFLECTORS
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H2-02: PARABOLIC MICROPHONE
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H2-03: ACOUSTIC RADAR
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H2-11: SOUND LENS
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H2-21 AUDIBLE YOUNG'S EXPERIMENT - GROUP LISTENING
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H2-22: INTERFERENCE - TRANSPARENCIES
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H2-24: AUDIBLE YOUNG'S EXPERIMENT - MIC AND SCOPE
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H2-25: QUINCKE'S INTERFERENCE TUBES
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H2-26: PHASE REVERSAL BETWEEN STEREO SPEAKERS - MUSIC
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H2-27: PHASE REVERSAL BETWEEN STEREO SPEAKERS - OSCILLATOR
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H2-28: FOURIER SYNTHESIZER - ADDITION OF WAVES
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H2-31: ACOUSTIC COLLIMATOR
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H2-32: SPEAKER WITH BAFFLE
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H2-33: SPEAKER AND EXPONENTIAL HORN
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H2-41 DOPPLER BALL
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H2-42 DOPPLER EFFECT - TUNING FORK ON STRING
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H2-51 BEATS - AUDIO OSCILLATORS, SPEAKER & OSCILLOSCOPE
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H2-52: BEATS AND RESONANCE - TUNING BARS
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H2-53 BEATS - AUDIO OSCILLATORS AND SPEAKERS
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H2-54: BEATS - MOIRE PATTERN MODEL
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