MCQOPTIONS
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MCQOPTIONS
| 1. |
Which of the following is a necessary condition for total internal reflection? |
| A. | The angle of incidence in the denser medium must be greater than the critical angle for the two media |
| B. | The angle of incidence in the rarer medium must be greater than the critical angle for the two media |
| C. | The angle of incidence in the denser medium must be lesser than the critical angle for the two media |
| D. | The angle of reflection in the denser medium must be greater than the critical angle for the two media |
| Answer» B. The angle of incidence in the rarer medium must be greater than the critical angle for the two media | |