# Green light has a wavelength of 5.20 × 10−7 m and travels through the air at a speed of 3.00 × 108 m/s. Calculate the . . . frequency of green light waves with this wavelength. Answer in...

Green light has a wavelength of 5.20 × 10−7 m and travels through the air at a speed of 3.00 × 108 m/s. Calculate the . . .

frequency of green light waves with this wavelength.

Answer in units of Hz

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Expert Answers

enotechris | Certified Educator

The frequency (f) is determined by the speed of light (c) divided by the wavelength of the light (l), or f = c / l, where f is in cycles per second or Hertz (Hz), c is in meters per second, and l is in meters. So:

1. f = (3.00 * 10^8 m/s) / (5.2 * 10^-7 m)

2. f = (.577 * 10^15 1/sec) =

3. f = 5.77 * 10^14 Hz.

Student Comments

Jyotsana | Student

Frequency= speed/wavelength

Speed=3.0*10^8

wavelength= 5.20*10^-7m

(3.0*10^8)/(5.20*10^-7)

Frequency=5.8*10^14Hz