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Sahay Sir > Question Answers > AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 16 - Waves > A source of sound is travelling towards a stationary observe. The frequency of sound heard by the observer is of the three times of the original frequency. The velocity of sound is v m/s. The speed of source will be:

A source of sound is travelling towards a stationary observe. The frequency of sound heard by the observer is of the three times of the original frequency. The velocity of sound is v m/s. The speed of source will be:

are Two closed pipe produce 10 beats per second when emitting their fundamental nodes. If their length are in ratio of 25 : 26. Then their fundamental frequency in Hz