(a)[1]
The students first hear a loud sound from the firework and then a quieter, similar one. State what produces the second quieter, similar sound.
(b)[3]
Calculate the distance between the firework and the students.
Physics 0625 · IGCSE · Sound
Sound — practice question
Fig. 6.1 depicts a group of students beside rocky cliffs, watching a boat out at sea. They are observing a firework display on the boat, and one firework explodes with a loud noise.