Physics · Oct / Nov 2018 · Paper 22 · Question 9
5054
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The question as text
Both sound and ultrasound are waves that travel in solids, liquids and gases.
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Show the answer and mark scheme
9(a)[1]
9(b)(i)[3]
9(b)(ii)[4]
9(c)(i)[1]
9(c)(ii)[3]
9(d)[3]
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