cse • paper_1 • waves_oscillationscse-2017-subject-02-001
Beats — UPSC CSE 2017 Physics PYQ
Buy PYQ Solution Manual →Find the velocity of sound in a gas in which two waves of wavelengths 1.00\,\mathrm{m} and 1.01\,\mathrm{m} produce 10 beats in 3 seconds.
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