MHT CET 2025 Physics question
When two tuning forks are sounded together, 6 beats per second are heard. One of the fork is in unison with 0.70 m length of sonometer wire and another fork is in unison with 0.69 m length of the same sonometer wire. The frequencies of the two tuning forks are
Answer: (B)
Solution
For a sonometer wire . The 0.70 m fork has the lower frequency and the 0.69 m fork has . Then Hz, so Hz, option (B). Check:
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