WBCS.LIVE practice question

The range of frequency of ultrasonic wave.

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Greater than 20 KHz
  2. Greater than 20,000 KHz
  3. Below than 20 KHz
  4. Greater than 02 KHz

Correct answer and explanation

Correct answer: Greater than 20 KHz