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S_(1) and S_(2) are two coherent sources of frequency f each.(theta _(1)=theta_(2)=0^(@)) V_(sound)=330m//s. (i) so that constructive interfence at 'p' (ii) so that destructive interfrece at 'p' |
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Answer» Solution :For constructive interference `K Delta x =2npi` `(2pi)/(lambda)xx2=2npi` `lambda=(2)/(n) , V=lambdaf rArr V=(2)/(n)f` `f=(330)/(2)XXN` For DESTRUCTIVE interference `K Delta x=(2n+1)PI` `(2pi)/(lambda).2=(2n+1)pi` `(1)/(lambda)=((2n+1))/(4), f=(V)/(lambda)=(330xx(2n+1))/(4)` |
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