MCQOPTIONS
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| 1. |
An organ pipe, open from both end produces 5 beats per second when vibrated with a source of frequency 200 Hz. The second harmonic of the same pipes produces 10 beats per second with a source of frequency 420 Hz. The frequency of source is [DCE 2005] |
| A. | 195 Hz |
| B. | 205 Hz |
| C. | 190 Hz |
| D. | 210 Hz |
| Answer» C. 190 Hz | |