A) 64
B) 256
C) 512
D) 1024
Correct Answer: D
Solution :
\[n\propto \frac{1}{l}\]Þ \[\frac{{{n}_{2}}}{{{n}_{1}}}=\frac{{{l}_{1}}}{{{l}_{2}}}\]Þ \[{{n}_{2}}=\frac{{{l}_{1}}}{{{l}_{2}}}{{n}_{1}}=\frac{1\times 256}{1/4}=1024Hz\]You need to login to perform this action.
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