When the Hunga Tonga-Hunga Ha'apai volcano erupted in 2022, the booming sounds were heard in Alaska, more than 9000 km away. Which statement about the sound waves produced by this eruption is not correct?
An astronaut performing a spacewalk outside the International Space Station (orbiting in a vacuum at an altitude of 400 km400\text{ km}400 km) would be able to hear the sound.
Observers in Alaska heard the sound wave much later than those located closer to the volcano.
The amplitude of the sound waves decreased as they traveled further away from the volcano.
The sound was extremely loud because a huge amount of energy from the eruption was converted into vibrations of the surrounding air molecules.
295 exam-style questions on CIE IGCSE Physics Sound, covering Sound. Each one has a worked solution and a mark scheme showing where the marks go.