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Two coherent sources of different intensities send waves which interfere. The ratio of the maximum intensity to the minimum intensity is . The intensities are in the ratio
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Important Questions on Waves
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Waves from two sources superpose on each other at a particular point. Amplitude and frequency of both the waves are equal. The ratio of intensities, when both the waves reach in same phase and when they reach with the phase difference of , will be
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Transverse wave of same frequency are generated in two steel wires, and . The diameter is twice of and the tension in is half of that in The ratio of velocities of waves in and is
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A string under a tension of produces when it is vibrated along with a tuning fork. When the tension in the string is increased to , it sounds in unison with the same tuning fork. Calculate the fundamental frequency of the tuning fork.
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A wire, long and having a density of , is stretched by and tied between two rigid supports. If , the minimum frequency of transverse vibrations in the string will be
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A piano wire, having a diameter of , is replaced by another wire of the same material, but with a diameter of . If the tension of the wire is kept same, the percentage change in the frequency of the fundamental tone is
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Two mechanical waves, and , propagate in a medium with the same speed. Then,
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A wire has a frequency . Its length is doubled by stretching. What will be the new frequency? (Assuming tension and volume remains same.)
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A uniform rope of mass and length hangs from a ceiling. The speed of transverse wave in the rope at upper end and at a point distance from lower end will respectively be:
