MCAT Question of the Day
    •

    Q:

    		 When an observer doubles their distance from a point source of light, the amount of energy received:
    		 

    A

    		 increases by a factor of 2

    B

    		 increases by a factor of 4

    C

    		 decreases by a factor of 2

    D

    		 decreases by a factor of 4



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