In a stationary wave represented by y = 2 a cos k x sin ω t the intensity at a certain point is maximum when

Question

In a stationary wave represented by y = 2 a cos k x sin ω t the intensity at a certain point is maximum when, cos k x is maximum, cos k x is minimum, sin ω t is maximum, sin ω t is minimum

MARKS App · Accepted Answer

Intensity ∝ amplitude 2 ∝ 2 a cos ⁡ k x 2 Hence, intensity will be maximum when cos k x is maximum.

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