An electric lamp is fixed at the ceiling of a circular tunnel as shown – McqOptions

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1.	An electric lamp is fixed at the ceiling of a circular tunnel as shown is figure. What is the ratio the intensities of light at base A and a point B on the wall
A.	1 : 2
B.	\[2:\sqrt{3}\]
C.	\[\sqrt{3}:1\]
D.	\[1:\sqrt{2}\]
Answer» E.

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