A) angle between the source of light and the object is \[45{}^\circ \]
B) source of light and the object are parallel to each other
C) source of light and the object are perpendicular to each other
D) angle between the source of light and the object is \[60{}^\circ .\]
Correct Answer: C
Solution :
source of light and the object are perpendicular to each other
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