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A Kundt’s tube apparatus has a copper rod of length 1.0 m clamped at 25 cm from one of the ends. The tube contains air in which the speed of sound is 340 m s-1. The powder collects in heaps separated by a distance of 5.0 cm. Find the speed of sound waves in copper.

A Kundt’s tube apparatus has a copper rod of length 1.0 m clamped at 25 cm from one of the ends. The tube contains air in which the speed of sound is 340 m s-1. The powder collects in heaps separated by a distance of 5.0 cm. Find the speed of sound waves in copper.

Grade:upto college level

1 Answers

Deepak Patra
askIITians Faculty 471 Points
8 years ago
Sol. As the tuning fork produces 2 beats with the adjustable frequency the frequency of the tuning fork will be⇒ n = (476 + 480) / 2 = 478.

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