Question

State if the following statements are True or False. Correct the false statement.
1. The range of audible frequencies to man is 20 Hz to 20,000 Hz.
2. Vibrations with frequencies above 20,000 Hz are called infrasonic vibrations.
3. Sound travels faster in liquids than in air.
4. Reflected sound is called the pitch.
5. Excess noise in the environment is useful for human beings.​

Answer 1

Answer:

true

false

true

false

false

Explanation:

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Answer 2

True

False

false

true

false

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