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’:
A. Ohm’s law
B. Lambert’s cosine law
C. Inverse square law
D. Supervisee’s law
Answer:B
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’:
A. Ohm’s law B. Lambert’s cosine law C. Inverse square law D. Supervisee’s law