Answer to Question #144073 in General Chemistry for Gary Bunch II

Question

What is the frequency of a photon with a wavelength of 781 nm. Report your answers to three significant digits.

Answer 1

Solution:

the frequency ƒ = the speed of light c / the wavelenght λ

ƒ = 3.0×10⁸ m/s × 7.81×10^-7 m = 3.84 ×10¹⁴ Hz  

Answer: ƒ = 3.84 ×10¹⁴ Hz