Physics 0625 · IGCSE · Sound

Sound — practice question

(a)[4]

Describe how the students use the apparatus and how they calculate the speed. You may draw a diagram.

(b(i))[2]

Calculate the wavelength of the sound in sea-water.

(b(ii))[2]

State what happens, if anything, to the frequency of the sound and the speed of the sound.

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