Oscillations and Waves: JEE Main 2018 Physics question

JEE Main 2018 · 15 Apr, Morning shift · Q8488

JEE Main 201815 Apr, Morning shiftPhysicsMediumOscillations and Waves185× since 2002

A tuning fork vibrates with frequency

256

Hz

and gives one beat per second with the third normal mode of vibration of an open pipe. What is the length of the pipe ? (Speed of sound in air is

340\,m{s^{ - 1}}

)

JEE Main 2018 · 15 Apr, Morning shift · Q8488

JEE Main 201815 Apr, Morning shiftPhysicsMediumOscillations and Waves185× since 2002

A tuning fork vibrates with frequency

256

Hz

and gives one beat per second with the third normal mode of vibration of an open pipe. What is the length of the pipe ? (Speed of sound in air is

340\,m{s^{ - 1}}

)

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