Multiple choice general knowledge science & technology

A particular electromagnetic signal has a wavelength of 1 m. What is its frequency?

  1. 1 Hz

  2. 300 000 Hz

  3. 300 000 000 Hz

  4. 1 000 000 000 Hz
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Using the formula frequency = speed of light / wavelength (f = c / λ), where c is approximately 300,000,000 m/s and λ is 1 m, the frequency is 300,000,000 Hz.

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