A-Level CAIE Physics AS 7.3.1—When a source of sound waves moves relative to a stationary observer, the Question Bank
7.3.1—When a source of sound waves moves relative to a stationary observer, the
• understand that when a source of sound waves moves relative to a stationary observer, the observed frequency is different from the source frequency (understanding of the Doppler effect for a stationary source and a moving observer is not required)
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