A ray of yellow light (f = 5.09 * 1014hz) travels at a speed of 2.04 * 108meters per second in

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Physics

Matthias Stein

13 June, 16:11

A ray of yellow light (f = 5.09 * 1014hz) travels at a speed of 2.04 * 108meters per second in

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Aniyah Nielsen · Answer 1

Velocity = fλ

where f is frequency in Hz, and λ is wavelength in meters.

2.04 * 10⁸ m/s = 5.09 * 10¹⁴ Hz * λ

(2.04 * 10⁸ m/s) / (5.09 * 10¹⁴ Hz) = λ

4.007*10⁻⁷ m = λ

The wavelength of the yellow light = 4.007*10⁻⁷ m