Define the term ultrasound wave

An ultrasound wave is a soundwave with a frequency higher than 20,000 Hz

RA

Related Physics GCSE answers

All answers ▸

A coal fire is burning in the bottom of a furnace, with a chimney above it. Air moves into the furnace from an opening at the bottom and up the chimney. Describe how the process of convection causes this air movement.


Why does increasing the temperature of a gas increase the pressure (when the volume is fixed)?


What are some key differences between sound and light waves?


Draw diagrams to represent the particles in each state: solid, liquid, and gas.