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A Kundt's tube apparatus has a steel rod...

A Kundt's tube apparatus has a steel rod of length 1.0 m 66. clamped at the centre. It is vibrated in its fundamental mode at a frequency of 2600 Hz. The lycopodium powder dispersed in the tube collects into heaps separated by 6.5 cm. Calculate the speed of sound in steel and in air.

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