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Wave speed calculations

This classroom material helps 10th-grade students practice wave speed calculations through questions on the formula v = fλ, unit identification, and problem-solving with sound and light waves. Students apply concepts by solving numerical problems and selecting correct units.

By Edform · Physics · Grade 10 · Published Oct 15, 2026 · New

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Questions

  1. What is the correct formula to calculate the speed of a wave?
  2. A sound wave has a frequency of 500 Hz and a wavelength of 0.68 m. What is its speed?
  3. Which of the following are correct units for wave speed?
  4. Calculate the wavelength of a light wave with a frequency of 6 × 10¹⁴ Hz, given the speed of light is 3 × 10⁸ m/s.
  5. Fill in the blank with the correct value: The frequency of a wave is 1000 Hz and its speed is 200 m/s. The wavelength is ___ m.
  6. The speed of sound in air is typically around _ m/s, while the speed of light in a vacuum is about _ m/s.
  7. Arrange the following electromagnetic waves in order from lowest to highest speed in a vacuum.
  8. Match each wave property to its correct definition.
  9. Sort the following as either units of frequency or units of wavelength.
  10. Mark each statement as true or false.

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