 
			 
			MCQOPTIONS
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				| 1. | Polarising angle (i) and refractive index (μ) of the reflecting surface are related by: | 
| A. | sin i = μ | 
| B. | cos i = μ | 
| C. | tan i = μ | 
| D. | none of the above | 
| Answer» D. none of the above | |