Checking understanding of sound and light waves

5 questions

Assessing knowledge of the properties and behaviour of sound and light waves.

Questions

1. Why can sound not travel through a vacuum?
2. True or False: The frequency of a wave determines its speed in a given medium.
3. Which colour has the shortest wavelength in the visible spectrum?
4. An echo heard in a canyon is an example of which wave phenomenon?
5. If the pitch of a sound is increased, what happens to its frequency?