Explain what is meant by the terms longitudinal and transverse in relation to wave motion.
State another example of: 1. a longitudinal wave (other than sound in air), 2. a transverse wave (other than visible light).
A sound wave travelling through steel has a speed of 5.1 km/s5.1 \text{ km/s}5.1 km/s and a frequency of 300 Hz300 \text{ Hz}300 Hz. Calculate its wavelength.
A wireless speaker playing music is suspended inside a sealed glass chamber containing air. The speaker has a flashing blue LED. A vacuum pump is then used to remove all the air from the chamber.
State and explain any change in the sound heard by an observer.
State and explain whether the flashing blue light can still be seen.
237 exam-style questions on CIE IGCSE Physics General properties of waves, covering General properties of waves. Each one has a worked solution and a mark scheme showing where the marks go.