The illumination is directly proportional to the cosine of ___

“The illumination is directly proportional to the cosine of the angle made by the normal to the illuminated surface with the direction of the incident flux.”

Above statement is associated with

A. Lambert’s cosine law
B. Planck’s law
C. Bunsen’s law of the illumination
D. Macbeth’s law of illumination

Show Answer

Answer: A

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