Multiple Choice
On some days,air nearest the ground is colder than air that is higher up.On one of these days,sound waves
A) tend to be refracted upward.
B) tend to be refracted downward.
C) travel without refraction.
Correct Answer:

Verified
Correct Answer:
Verified
Q3: Refraction of sound can occur in<br>A)air.<br>B)water.<br>C)both air
Q4: A base fiddle is louder than a
Q5: Sound waves cannot travel in<br>A)air.<br>B)water.<br>C)steel.<br>D)a vacuum.<br>E)any of
Q6: The wavelengths of sound that carry farther
Q7: The explanation for refraction must involve a
Q10: We are best at hearing<br>A)infrasonic sound.<br>B)ultrasonic sound.<br>C)both
Q11: The least energy required to produce forced
Q13: Reverberation is actually a case of<br>A)sound interference.<br>B)forced
Q20: Sound will be louder if a struck
Q44: When the handle of a tuning fork