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 ▸What is the difference between nuclear fusion and fission?
Explain why a smoke alarm works by emitting and detecting alpha radiation instead of gamma or beta radiation.
Describe what happens to a star, after the main sequence period, for the star to eventually become a black dwarf. (5 Marks)
Help! How do I rearrange equations?