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Which of the following statements is/are TRUE about sound?

Options

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.

Correct Answer

C. As the water level in a bottle decreases, the sound you make when you tap on the mouth, periodically gets lower in pitch.

Exam
UCEED
Language
English
Year
2017
Difficulty
1/5
Section
Multiple Select Questions (MSQ)

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