A) 2 times
B) The same
C) 3 times
D) 4 times
Correct Answer: C
Solution :
\[C\propto \frac{1}{d}\]Þ \[\frac{{{C}_{medium}}}{{{C}_{air}}}=\frac{d}{d-t+\frac{t}{K}}=\frac{6}{6-4.5+\frac{4.5}{9}}=\frac{6}{2}=3\]You need to login to perform this action.
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