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Most Important Selected Qs for JEE AdvancedPhysicsWaves and Sound

y-x curve at an instant for a wave travelling along x axis on a string is shown. Slope at the point A on the curve, as shown, is 53^ .

Options

  1. ATransverse velocity of the particle at point A is positive if the wave is travelling along positive x axis.
  2. BTransverse velocity of the particle at point A is positive if the wave is travelling along negative x axis of
  3. CMagnitude of transverse velocity of the particle at point A is greater than wave speed.
  4. D(D) Magnitude of transverse velocity of the particle at point A is lesser than wave speed.

Correct answer

C. Magnitude of transverse velocity of the particle at point A is greater than wave speed.

Step-by-step solution

As shown in the curve, if wave is moving along -x axis, V _ p is positive. aligned & V_p V_w =- & |- | 1 V_p V_w aligned

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