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Q41 of 85
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UCEED
2017
Q41
Question 41
msq
Multiple select
Difficulty:
Medium
Which of the following statements is/are TRUE about sound?
This is an MSQ question. One or multiple answers can be correct.
A
As you tighten a drum skin, the sound made when you beat it gets lower in pitch.
B
As the water level in a bottle increases, the sound made when you blow over the top of it gets lower in pitch.
C
As the water level in a bottle decreases, the sound you make when you tap on the mouth, periodically gets lower in pitch.
D
When you hit a steel plate to make a loud sound and then hold the edge of the plate tightly between your fingers, the sound becomes higher in pitch.
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