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Class 11 Physics Practice Test: Waves - Principle of Superposition of Waves
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Avg score: 72% • Most missed: “y1 = 2sin(3x – 2t) & y2 = 3sin(3x – 2t + π/4). Find the expression for resultant…”

The Principle of Superposition of Waves states that the resultant displacement of a number of waves in a medium at a particular point is the vector sum of the individual displacements produced by each of the waves at that point.

Class 11 Physics Practice Test: Waves - Principle of Superposition of Waves
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4 Questions

1. y1 = 2sin(3x – 2t) & y2 = 3sin(3x – 2t + π/4). Find the expression for resultant displacement caused by superposition of the two waves.
2. In superposition of waves the displacements get added like vectors. True or False?
3. A wave having an amplitude of 3cm is to be superimposed with another wave of the same amplitude. What should be their phase difference if the net amplitude has to be 0?
4. If the two pulses of equal amplitude have 2J of energy each, what will be the energy of the system when they overlap with each other making the string entirely straight?

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