MCQOPTIONS
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| 1. |
A source of sound of frequency n is moving towards a stationary observer with a speed S. If the speed of sound in air is V and the frequency heard by the observer is \[{{n}_{1}}\], the value of \[{{n}_{1}}/n\] is [MP PMT 1997] |
| A. | \[(V+S)/V\] |
| B. | \[V/(V+S)\] |
| C. | \[(V-S)/V\] |
| D. | \[V/(V-S)\] |
| Answer» E. | |