Multiple choice general knowledge science & technology

What is the normal human range of frequency

  1. 20 Hz to 20000 KHz

  2. 20 Hz to 20000 Hz

  3. 20 Hz to 2 KHz

  4. 2 Hz to 20000 Hz
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The standard range of human hearing is 20 Hz to 20,000 Hz (20 kHz). Option A is incorrect because it uses inconsistent units - 20000 KHz would actually mean 20,000,000 Hz (20 MHz), which is far beyond human hearing. Option B correctly uses Hz throughout the range.

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