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The frequency of a wave is 10 Hz. What is the frequency of its second harmonic?

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Question: The frequency of a wave is 10 Hz. What is the frequency of its second harmonic? (2021)

Options:

  1. 5 Hz
  2. 10 Hz
  3. 20 Hz
  4. 30 Hz

Correct Answer: 20 Hz

Exam Year: 2021

Solution: 

The frequency of the second harmonic is twice the fundamental frequency. Therefore, if the fundamental frequency is 10 Hz, the second harmonic frequency is 2 * 10 Hz = 20 Hz.

The frequency of a wave is 10 Hz. What is the frequency of its second harmonic?

Practice Questions

Q1
The frequency of a wave is 10 Hz. What is the frequency of its second harmonic? (2021)
  1. 5 Hz
  2. 10 Hz
  3. 20 Hz
  4. 30 Hz

Questions & Step-by-Step Solutions

The frequency of a wave is 10 Hz. What is the frequency of its second harmonic? (2021)
  • Step 1: Understand that the fundamental frequency is the first harmonic of the wave. In this case, it is given as 10 Hz.
  • Step 2: Know that the second harmonic is the frequency that is twice the fundamental frequency.
  • Step 3: Calculate the second harmonic by multiplying the fundamental frequency (10 Hz) by 2.
  • Step 4: Perform the calculation: 2 * 10 Hz = 20 Hz.
  • Step 5: Conclude that the frequency of the second harmonic is 20 Hz.
  • Harmonics – Understanding the relationship between fundamental frequency and its harmonics, where the second harmonic is typically twice the fundamental frequency.
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