A source of frequencyv gives 5 beats/second when sounded with a source of frequency 200 {Hz}. The second harmonic of frequency 2 \upsilon of source gives 10 beats/second when sounded with a source of frequency 420 {Hz}. The value of \upsilon is (1994)

Class 11 NEET Physics Waves Questions Questions

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A source of frequencyv gives 5 beats/second when sounded with a source of frequency 200Hz. The second harmonic of frequency 2υ of source gives 10 beats/second when sounded with a source of frequency 420Hz. The value of υ is

(1994)

205Hz
195Hz
200Hz
210Hz.

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