MCQOPTIONS
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MCQOPTIONS
| 1. |
Tuning fork \[{{F}_{1}}\] has a frequency of 256 Hz and it is observed to produce 6 beats/second with another tuning fork \[{{F}_{2}}\]. When \[{{F}_{2}}\] is loaded with wax, it still produces 6 beats/second with \[{{F}_{1}}\]. The frequency of \[{{F}_{2}}\] before loading was [MP PET 1990] |
| A. | 253 Hz |
| B. | 262 Hz |
| C. | 250 Hz |
| D. | 259 Hz |
| Answer» C. 250 Hz | |