According to second law of illumination, the illumination at any point on an inclined surface is

Question

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Directly proportional to the sin of the angle between the normal to the surface at that point

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Directly proportional to the cosine of the angle between the normal to the surface at that point

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Directly proportional to the tan of the angle between the normal to the surface at that point

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Directly proportional to the cot of the angle between the normal to the surface at that point

1.	According to second law of illumination, the illumination at any point on an inclined surface is
A.	Directly proportional to the cosine of the angle between the normal to the surface at that point
B.	Directly proportional to the sin of the angle between the normal to the surface at that point
C.	Directly proportional to the tan of the angle between the normal to the surface at that point
D.	Directly proportional to the cot of the angle between the normal to the surface at that point
Answer» B. Directly proportional to the sin of the angle between the normal to the surface at that point

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