Chapter 5: Problem 12

The frequency of sound waves which can be heard by humans is (1) less than \(20 \mathrm{~Hz}\) (2) greater than \(20 \mathrm{kHz}\) (3) between \(20 \mathrm{~Hz}\) to \(20 \mathrm{kHz}\) (4) None of these

Short Answer

Expert verified

Answer: The correct range of frequencies of sound waves that can be heard by humans is between 20 Hz to 20 kHz.

Step by step solution

Consider option 1

Option 1 says that the frequency of sound waves humans can hear is less than 20 Hz. However, this is not correct, as humans can hear sounds with frequencies within a certain range, and not just below a specific frequency.

Consider option 2

Option 2 says that the frequency of sound waves humans can hear is greater than 20 kHz. Just like the previous step, this is not correct, as humans can hear sounds within a certain range, and not just above a specific frequency.

Consider option 3

Option 3 says that the frequency of sound waves humans can hear is between 20 Hz to 20 kHz. This is the correct option because the human hearing range is generally considered to be within this frequency range.

Consider option 4

Option 4 says "None of these," which indicates that none of the previous options are correct. However, we have already identified that option 3 is correct, so option 4 is not the right choice.

Identify the correct Option

Based on the analysis of all the options and the known range of frequencies that humans can hear, the correct answer is (3) between 20 Hz to 20 kHz.

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The frequency of sound waves which can be heard by humans is (1) less than \(20 \mathrm{~Hz}\) (2) greater than \(20 \mathrm{kHz}\) (3) between \(20 \mathrm{~Hz}\) to \(20 \mathrm{kHz}\) (4) None of these

Short Answer

Step by step solution

Consider option 1

Consider option 2

Consider option 3

Consider option 4

Identify the correct Option

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