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InterviewSolution
| 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» <p class="MsoNormal" style="text-align: justify;"><span style="font-family:Arial,Helvetica,sans-serif"><span style="color:#000000"><strong>Correct option (d) straight line</strong></span></span></p><p class="MsoNormal" style="text-align: justify;"><span style="font-family:Arial,Helvetica,sans-serif"><span style="color:#000000"><strong>Explanation:</strong></span></span></p><p style="text-align: justify;"><span style="font-family:Arial,Helvetica,sans-serif"><span style="color:#000000">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.</span></span></p> | |