NEET Class neet Answered
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Asked by brijk456 | 04 Sep, 2019, 11:49: PM
Expert Answer
Path difference between A and B = ( π r - 2 r ) = ( π - 2 ) r ......................(1)
For maximum sound, path difference A and B = n λ .......................(2)
where n is integer and λ is wavelength
from (1) and (2) , we have n λ = ( π - 2 ) r .......................(3)
frequency f = v / λ ............................(4)
where v is velocity of sound wave.
using eqn.(3), frequency from eqn.(4) is obtained as, f = v × n / [ ( π - 2 ) r ]
Answered by Thiyagarajan K | 05 Sep, 2019, 04:50: PM
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