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Sahay Sir > Question Answers > AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 16 - Waves > An observer standing by the side of a road hears the siren of an ambulance, which is moving away from him. If the actual frequency of the siren is 2,000 Hz​, then the frequency heard by the observer will be

An observer standing by the side of a road hears the siren of an ambulance, which is moving away from him. If the actual frequency of the siren is 2,000 Hz​, then the frequency heard by the observer will be

000 Hz​ An observer standing by the side of a road hears the siren of an ambulance then the frequency heard by the observer will be which is moving away from him. If the actual frequency of the siren is 2