Multiple choice

If a tuning fork vibrates 10 times in one second, then its frequency is

  1. 10 Hz

  2. 0.5 Hz

  3. 5 Hz

  4. 0.1 Hz

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A Correct answer
Explanation

Frequency is just a measure of the number of vibrations per unit time. Hence, if a tuning fork vibrates 10 times per second, its frequency is 10 Hz.