 
			 
			MCQOPTIONS
 Saved Bookmarks
				| 1. | A medium shows relation between i and r as shown. If speed of light in the medium is nc then value of n is | 
| A. | 1.5 | 
| B. | 2 | 
| C. | A NAND gate | 
| D. | 3?1/2 | 
| Answer» E. | |