MCAT Question of the Day
    •

    Q:

    		 A krypton fluoride laser can emit light in brief pulses of only 4 nanoseconds. Given the velocity of light in a vacuum is 3 x 108 m/s, how long is each pulse of light if emitted underwater? Note the index of refraction of water is 1.33.
    		 

    A

    		 90 cm

    B

    		 1.2 m

    C

    		 1.6 m

    D

    		 2.1 m



    Kinematics | Fluids | Quantitative Skills |
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