A heavy string is tied to a light string and waves are sent down the two from th

Question

A heavy string is tied to a light string and waves are sent down the two from the heavy string side. Which of the following statements are false? (a) The wavelength of a wave in the heavy string is shorter than in the light string. (b) The speed of a wave in the heavy string is slower than in the light string (c) The frequency of a wave in the light string is greater than in the heavy string. (d) If the tension is increased by a factor of 16 and twice as much of the same two strings are used, but the driving frequency remains constant, the wavelength in both the heavy and light string is increased by a factor of 4. (e) If the tension is increased by a factor of 16 and twice as much of the same two strings are used, but the driving frequency remains constant, the wavelength in both the heavy and light string is decreased by a factor of 4.

Explanation / Answer

these are false

(a) The wavelength of a wave in the heavy string is shorter than in the light string

(e) If the tension is increased by a factor of 16 and twice as much of the same two strings are used, but the driving frequency remains constant, the wavelength in both the heavy and light string is decreased by a factor of 4.

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