Note AcademyNote Academy
Start

Physics (AS & A Level) · Oct / Nov 2022 · Paper 13 · Question 22

9702Progressive waves

The period of an electromagnetic wave in a vacuum is 1.0 ns. What are the frequency and wavelength of the wave?

  1. Afrequency / Hz: 1.0; wavelength / m: 3.0 × 10^8
  2. Bfrequency / Hz: 1.0 × 10^6; wavelength / m: 300
  3. Cfrequency / Hz: 1.0 × 10^9; wavelength / m: 0.30
  4. Dfrequency / Hz: 1.0 × 10^12; wavelength / m: 3.0 × 10^–4

As printed in the paper

Show the answer

Correct answer: C. frequency / Hz: 1.0 × 10^9; wavelength / m: 0.30

Sit this whole paper →More on Progressive waves

Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.