 
			 
			MCQOPTIONS
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				| 1. | A source of frequency 150 Hz is moving in the direction of a person with a velocity of 110 m/s. The frequency heard by the person will be (speed of sound in medium = 330 m/s) [CPMT 1989; RPET 2001] | 
| A. | 225 Hz | 
| B. | 200 Hz | 
| C. | If assertion is true but reason is false. | 
| D. | 100 Hz | 
| Answer» B. 200 Hz | |