 
			 
			MCQOPTIONS
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				| 1. | A body falling from a height of 10m rebounds from hard floor. If it loses 20% energy in the impact, then coefficient of restitution is [AIIMS 2000] | 
| A. | 0.89 | 
| B. | 0.56 | 
| C. | Common salt solution and baking soda | 
| D. | 0.18 | 
| Answer» B. 0.56 | |