Frequency figures

Exercise and reference answers

Questions

1. Answer

   20

   Question

   An object oscillates 20 times in one second. Frequency in Hz?

2. Answer

   3

   Question

   An object makes 90 oscillations in 30 seconds. Frequency in Hz?

3. Answer

   2

   Question

   A pendulum swings 120 times in one minute. Frequency in Hz?

Instructions

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

Explanation