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In a standing wave pattern obtained in a...

In a standing wave pattern obtained in an open tube filled with Iodine, due to vibrations of frequency 800 cycle/sec the dist between first node, eleventh node is found to be 1 m when the temperature of iodine vapour is `352^@C`. If the temperature is `127^@C` , the distance between consecutive nodes is (in centimeters) (approximately).

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