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प्रश्न
Two tuning forks have frequencies 380 Hz and 384 Hz respectively. When they are sounded together, maximum sound is heard. How long will it take to hear the minimum sound?
पर्याय
`1/2`s
`1/4`s
`1/8`s
`1/16`s
MCQ
उत्तर
`1/8`s
Explanation:
Time interval between a maxima and consecutive minima,
`Delta` t =`1/(2("n"_1 - "n"_2)) = 1/ (2xx 4) = 1/8`s
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