Work out the wave

Exercise and reference answers

Questions

1. Answer

   4

   Question

   A wave has period 0.25 s. What is its frequency in Hz?

2. Answer

   4

   Question

   Speed 20 m/s, frequency 5 Hz. Wavelength in metres?

3. Answer

   30

   Question

   Wavelength 3 m, frequency 10 Hz. Speed in m/s?

Instructions

Work it out, key the number in, then press enter.

Explanation