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In a movie hall, the distance between th...

In a movie hall, the distance between the projector and the screen is increased by 1% illumination on the screen is

A

increased by 1%

B

decreased by 1%

C

increased by 2%

D

decreased by 2%

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The correct Answer is:
D
NA
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TARGET PUBLICATION-INTERFERENCE AND DIFFRACTION-CRITICAL THINKING
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