A string `105 cm` long is fixed at one end. The other end of string is moved up and down with frequency `15 Hz`.A stationary wave, produced in the string , consists of 3 loops. Calculate the speed of progressive waves which have produced the stationary wave in the string.

A string 1 m long is fixed at one end. The other end is moved up and down with frequency 15 Hz . Due to this , a stationary wave with four complete loops , gets produced on the string. Find the speed of the progressive wave which produces the stationary wave [ Hint : Remember that the moving end is an antinode.]

In a string, stationary waves are produced by

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Derive an expression for equation of stationary wave on a stretched string. Show that nodes and antinodes are equally spaced.