 
			 
			MCQOPTIONS
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				| 1. | A heavenly body is receding from earth such that the fractional change in l is 1, then its velocity is [DCE 2000] | 
| A. | C | 
| B. | \[\frac{3C}{5}\] | 
| C. | Ionosphere | 
| D. | \[\frac{2C}{5}\] | 
| Answer» B. \[\frac{3C}{5}\] | |