A plane sound waves passes from medium $1$ into medium $2$. The speed of sound in medium $1$ is $200\,m/s$ and in medium $2$ is $100 \,m/s$. The ratio of amplitude of the transmitted wave to that of incident wave is :-
  • A$0.75$
  • B$0.8$
  • C$0.83$
  • D$0.67$
Medium
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