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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 16 - Waves and Acoustics > A wire of length l having tension T and radius r vibrates with fundamental frequency f. Another wire of the same metal with length 2l having tension 2T and radius 2r will vibrate with fundamental frequency :

A wire of length l having tension T and radius r vibrates with fundamental frequency f. Another wire of the same metal with length 2l having tension 2T and radius 2r will vibrate with fundamental frequency :

An open pipe of length l is sounded together with another open organ pipe of length l+x in their fundamental tones. Speed of sound in air is v. The beat frequency heard will be (x