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This question belongs to Mining Engineering Mine Environment

Mine Environment

?

A filament bulb produces 30 lux illumination at point A as shown in the figure. Assuming that no other source of lighting present in the roadway, the illumination level in lux at point B will be

A) 4.88 B) 1.63 C) 0.35 D) 7.00

Answer & Solution

Correct Answer: Option D

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Question posted by Examveda

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