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| Q.48 | Which law states the following? Illumination, E at any point on a surface is directly proportional to the cosine of the angle between the normal at that point and the line of flux’: | |
| Ans | A. Supervie’s law | |
| B. Ohm’s law | ||
| C. Lambert’s cosine law | ||
| D. Inverse square law |
Correct Ans Provided: C
