1.

At a certain instant, a stationary transverse wave is found to have maximum kinetic energy. The appearance of string at that instant is : (a) sinusoidal shape with amplitude A/3 (b) sinusoidal shape with amplitude A/2 (c) sinusoidal shape with amplitude A (d) straight line

Answer»

Correct option (d) straight line

Explanation:

In a transverse stationary wave on a string, when the particle passes their mean position, their velocity is maximum. Since, all particles pass their mean positions simultaneously, the string becomes straight when the kinetic energy is maximum.



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