Physics - Sound Wave Question with Solution | TestHub

A whistle producing sound waves of frequency$9500 \mathrm{Hz}$above is approaching a stationary person with speed$\mathrm{v}\mathrm{ }\mathrm{m} {\mathrm{s}}^{-1}$. The velocity of sound in air is$300\mathrm{ }\mathrm{m} {\mathrm{s}}^{-1}$. If the person can hear frequency up to a maximum of$10,000 \mathrm{Hz}$, the maximum value of$v$up to which he can hear the whistle is