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A tunig fork whose frequency as given by mufacturer is `512 Hz` is being tested with an accurate oscillator it is found that the fork produces a beat of 2 Hz when oscillator reads 514 Hz but produces a beat of 6 Hz when oscillator reads 510 Hz. The actual frequency of fork isA. `508Hz`B. `512Hz`C. `516Hz`D. `518Hz` |
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Answer» Correct Answer - C The tuning fork whose frequency is being tested produces 2 beats with oscillator at `514 Hz`, therefore, frequency of tuning fork may either be `512` or `516`. with oscillator frequency of tuning fork may be either `516` or `504`. Therefore the actual frequency is 516 Hz which gives `2beats//sec` with 514 and `6 beats//sec` with `510 Hz`. |
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