Select the correct answer. What property of a wave remains unchanged when a wave enters a different medium?
O A. amplitude
OB. frequency
OC. wavelength
OD
velocity
O E.
density
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There are multiple tuning forks present in the room, and annie strikes one with a natural frequency of 400 hz. which of these other tuning forks will begin to vibrate through resonance and make the sound louder? a 200 hz tuning fork a 400 hz tuning fork a 800 hz tuning fork a 1600 hz tuning fork