| Q.19 | The phenomenon of deviation of light rays from their original path, when they pass from one medium to another, is called ______. | |
| Ans | 1. refraction | |
| 2. obstruction | ||
| 3. reflection | ||
| 4. diffraction |
Correct Ans Provided: 1
Date: 25/11/2020 Shift: 3:00 PM – 5:00 PM Q. No: 69
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