Oscillations and Waves: JEE Main 2020 Physics question

JEE Main 2020 · 5 Sep, Morning shift · Q8496

JEE Main 20205 Sep, Morning shiftPhysicsMediumOscillations and Waves185× since 2002

Assume that the displacement(s) of air is proportional to the pressure difference (

\Delta

p) created by a sound wave. Displacement (s) further depends on the speed of sound (v), density of air (

\rho

) and the frequency (f). If

\Delta

p ~ 10 Pa, v ~ 300 m/s,

\rho

~ 1 kg/m³ and f ~ 1000 Hz, then s will be of the order of (take the multiplicative constant to be 1) :

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