MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
If I n denotes the normal intensity and I represents the intensity at angle , then |
| A. | I <sub> </sub>= 2 I <sub>n</sub> cos |
| B. | I <sub> </sub>= 3 I <sub>n</sub> cos |
| C. | I <sub> </sub>= 4 I <sub>n</sub> cos |
| D. | I <sub> </sub>= I <sub>n</sub> cos |
| Answer» E. | |