Physics 5054 · O Level · Sound

Sound — practice question

In air, the speed of sound is $c_a$; in water, it is $c_w$; and in ice, it is $c_i$. Which relation is correct?

  • A$c_a > c_i$
  • B$c_a > c_w$
  • C$c_i > c_w$
  • D$c_w = c_a$

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