Which of the following options define the cosine law of illuminance? – McqOptions

MCQOPTIONS

1.	Which of the following options define the cosine law of illuminance?
A.	E = (I/d2) cosθ
B.	E = (I/d) cosθ
C.	E = (I/I2) cosθ
D.	E = I cosθ
Answer» B. E = (I/d) cosθ

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