Multiple Choice
You listen to a live orchestra concert from a cheap seat far away,high up in the balcony.The music seems to be a little out of sync with the conductor's beat.Why?
A) The musicians are paying no attention to the conductor.
B) You are noticing a time lag due to the finite speed of sound.
C) The orchestra is not very good.
D) The viola section is dragging.
Correct Answer:
Verified
Correct Answer:
Verified
Q16: Match each item with the correct statement
Q54: An echo is a sound wave that
Q55: As you move farther away from a
Q56: As you increase in altitude in the
Q57: If one lawn mower causes an 80-dB
Q58: In the upper atmosphere at altitudes where
Q61: Combining two sounds of equal intensity will
Q62: Doppler radar can<br>A)catch speeders.<br>B)measure the speed of
Q63: A huge explosion is heard 20 miles
Q64: The wavelength of ultrasound at 1 million