When a student blows across a glass half-full of water, a resonant frequency is created within the air column remaining in the glass. Which of the following can the student do to increase this resonant frequency? I. Add more water to the glass. II. Replace the water with a more dense fluid. III. Increase the temperature of the room. a. I only b. I and III c. II and III d. all of the above
Interference of sound
Seiche
A seiche is an oscillating standing wave in a body of water. The term seiche pronounced saysh) can be understood by the sloshing of water back and forth in a swimming pool. The same phenomenon happens on a much larger scale in vast bodies of water including bays and lakes. A seizure can happen in any enclosed or semi-enclosed body of water.
When a student blows across a glass half-full of water, a resonant frequency is created within the air column remaining in the glass. Which of the following can the student do to increase this resonant frequency?
I. Add more water to the glass.
II. Replace the water with a more dense fluid.
III. Increase the temperature of the room.
a. I only
b. I and III
c. II and III
d. all of the above
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