Which of the following statement(s) is/are correct about Range of Hearing? (a)…
2023
Which of the following statement(s) is/are correct about Range of Hearing? (a) The audible range of sound for human beings extends from about 20 Hz to 20000 Hz. (b) Children under the age of five years can hear up to 25000 Hz. (c) Sounds of frequencies below 20 Hz are called Ultrasound. Choose the correct answer:
- A.
only (a) is correct
- B.
only (a) and (c) are correct
- C.
only (a) and (b) are correct
- D.
only (b) and (c) are correct
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Correct answer: C
Humans hear sound between 20 Hz–20,000 Hz, and young children sometimes perceive slightly higher frequencies, up to around 25,000 Hz. Statement (c) is wrong because sounds below 20 Hz are called infrasound, not ultrasound.