MCQOPTIONS
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MCQOPTIONS
| 1. |
A source of sound gives five beats per second when sounded with another source of frequency \[100\,{{s}^{-1}}\]. The second harmonic of the source together with a source of frequency \[205\,{{s}^{-1}}\] gives five beats per second. What is the frequency of the source [CBSE PMT 1995] |
| A. | \[105\,{{s}^{-1}}\] |
| B. | \[205\,{{s}^{-1}}\] |
| C. | \[95\,{{s}^{-1}}\] |
| D. | \[100\,{{s}^{-1}}\] |
| Answer» B. \[205\,{{s}^{-1}}\] | |