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evanescent - horn will not make sound when the receiving...

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Evanescent Wave Setup: Standing Wave Indicator Speaker Sweep Oscillator Paraffin block Paraffin block T x R x Procedure: The wave is incident on the paraffin-air boundary with incident angle greater than critical angle. When there is only the left paraffin block, total inner reflection occurs and the
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Unformatted text preview: horn will not make sound when the receiving antenna is placed facing the paraffin-air boundary. When another wax block is placed beside the Frst one with a small separation, the horn makes sound. 1...
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