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Physics · Oct / Nov 2020 · Paper 11 · Question 26

5054General properties of waves

An electromagnetic wave has a speed of 3.0 × 10^8 m / s and a wavelength of 10 cm. What is the frequency of the wave?

  1. A3.3 × 10^–10 Hz
  2. B3.3 × 10^–8 Hz
  3. C3.0 × 10^7 Hz
  4. D3.0 × 10^9 Hz

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Correct answer: D. 3.0 × 10^9 Hz

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