kahuff134 kahuff134

26-02-2019
Chemistry

contestada

what is the wavelength in nanometers of light with a frequency of 3.75 x 10^14s^-1?

what is the wavelength in meters and nanometers of light with an energy of 2.25 x 10^-18 joule?

please help with both of these.

Respuesta :

samdvar0221 samdvar0221

26-02-2019

c = speed of light = 3x108 m/sec

λ = ?

ν = 5.88x1014 sec-1

λ = 3x108m*sec-1/5.88x1014 sec-1

λ = 5.10x10-7 m

λ = 5.10x10-7 m x 109 nm/m = 510 nm

λν = c

(x) (2.30566 x 1014 s-1) = 3.00 x 108 m/s

x = 1.30 x 10-6 m

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