Other questions in this quiz

2. How are sound waves produced?

  • Produced by jumping particles
  • Produced by hugging particles
  • Produced by banging into particles
  • Produced by high-fiving particles

3. What is temperature?

  • The material the obejct is made from
  • How much energy an object has
  • A measurement of how hot something is
  • A measurement of how much mass an object has

4. State a device where infrared is used

  • Remote control
  • Piano
  • Dog
  • Trumpet

5. State an advantage of digital signals

  • They can take any possible value
  • It's hard to remove interferance
  • They use multiplexing
  • They look nicer than analogue signals

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