The explanation for refraction must involve a change in
A) frequency.
B) wavelength.
C) speed.
D) All of the above choices are true.
E) None of the above choices are true.
Correct Answer:
Verified
Q2: Compressions and rarefactions normally travel in
A)the same
Q3: A sound source of high frequency emits
Q4: A dolphin perceives its environment by the
Q5: When the speed of sound near the
Q6: The speed of a sound wave in
Q7: A wave having a frequency of 1000
Q8: Refraction of sound can occur in
A)air.
B)water.
C)both air
Q9: A sound wave is a
A)longitudinal wave.
B)transverse wave.
C)standing
Q10: We are best at hearing
A)infrasonic sound.
B)ultrasonic sound.
C)both
Q11: The approximate range of human hearing is
A)10
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