A) 0.1m
B) 0.2m
C) 0.4m
D) 0.5m
Correct Answer: A
Solution :
\[\lambda =\frac{v}{n}=\frac{340}{170}=2m,\,\,\,n'=\frac{340}{340-17}\times 170\Rightarrow n'=178.9Hz\] Now \[{\lambda }'=\frac{v}{{{n}'}}=\frac{340}{178.9}=1.9\] Þ \[\lambda -{\lambda }'=2-1.9=0.1\]You need to login to perform this action.
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