Under ideal conditions for sound waves, if a receiver is moving perpendicular to the line separating the receiver from an emitter, the received frequency $V _ { y }$ will be related to the emitted frequency $V _ { E }$ by the expression A) $V _ { y } V _ { E }$ B) $V _ { y } = V _ { E }$ C) $V _ { y }

Question

Under ideal conditions for sound waves, if a receiver is moving perpendicular to the line separating the receiver from an emitter, the received frequency $V _ { y }$ will be related to the emitted frequency $V _ { E }$ by the expression
A) $V _ { y } > V _ { E }$
B) $V _ { y } = V _ { E }$
C) $V _ { y } < V _ { E }$
D) none of the above.

Quizplus · Accepted Answer

When the receiver moves perpendicular to the direction of the sound wave propagation, there is no Doppler effect. Therefore, the received frequency $V_y$ is equal to the emitted frequency $V_E$.

Under Ideal Conditions for Sound Waves, If a Receiver Is VyV _ { y }Vy​

Under Ideal Conditions for Sound Waves, If a Receiver Is $V _ { y }$