 
			 
			MCQOPTIONS
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				| 1. | A source moves towards a stationary observer with a speed of 10m/s. If the frequency of the source is 10Hz what will be the wavelength of sound heard by the observer? Speed of sound = 330m/s. | 
| A. | 32m | 
| B. | 34m | 
| C. | 33m | 
| D. | 31m | 
| Answer» B. 34m | |