MCAT Question of the Day
    •

    Q:

    		 The focal length of concave mirror refers to
    		 

    A

    		 a distance away from the mirror where parallel rays will converge

    B

    		 a value double the radius of curvature

    C

    		 whether a mirror is concave or convex

    D

    		 a value which increases with increasing convergent strength of the mirror



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