PHYSICS

Light waves are electromagnetic waves that travel at 3.00 108 m/s. The eye is most sensitive to light having a wavelength of 5.50 10-7 m.
(a) Find the frequency of this light wave.
__________ Hz

(b) Find its period.
_______________ s

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  1. a. F=V/L=3*10^8/5.5*10^-7=5.45*10^14 Hz.

    b. P=1/F = 1/5.45*10^14=1.833*10^-15 s.

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