A) 31.73 cm
B) 62.5 cm
C) 35.75 cm
D) 12.5 cm
Correct Answer: A
Solution :
For Q, closed pipe. \[n=(2K+1)C/4\] For \[K=0,\]it gives \[L=1\times ({{10}^{2}}\times 330)/4\times 260=31.7\,cm\]You need to login to perform this action.
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