Stationary waves of frequency $300\, Hz$ are formed in a medium in which the velocity of sound is $1200$ metre/sec. The distance between a node and the neighbouring antinode is ... $m$
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(a) Required distance $ = \frac{\lambda }{4} = \frac{{v/n}}{4} = \frac{{1200}}{{4 \times 300}}$$ = 1$ $m$
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