NEET Physics Standing Waves MCQ Question
The displacement of a string is given by y(x, t) = 0.06sin(cos(120πt)), where x and y are in metre and t in second. The length of the string is 1.5 m and its mass is 3.0 × 10⁻² kg.
It represents a progressive wave of frequency 60 Hz.
It is the result superposition of two waves of wavelength 3 m, frequency 60 Hz each travelling with a speed of 180 m/s in opposite direction.
Amplitude of this wave is constant
Both (2) and (3)
Correct Answer
Detailed Explanation
The given equation represents a standing wave formed by the superposition of two waves traveling in opposite directions. The frequency and wavelength match the given conditions.
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