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podryga [215]
3 years ago
14

The energy of a particular color of red light is 3.01×10-22 kJ/photon. The wavelength of this light is nanometers.The energy of

a particular color of red light is 3.01×10-22 kJ/photon. The wavelength of this light is nanometers.
Physics
1 answer:
stealth61 [152]3 years ago
3 0

Answer: The wavelenght is  657.8x10^-9m

Explanation:

The energy of a photon can be calculated with the equation:

E = hc/λ

Where h is the Planck's constant h = 6.6x10^-34 j*s

c is the speed of light; c = 3x10^8m/s

And λ is the wavelenght, that we are looking for:

Replacing E by 3.01x10^-22kJ = 3.01x10-19J

then we must solve for λ

 =  (3x10^8m/s*6.6x10^-34 j*s)/3.01x10^-19 j = 657.8x10^-9m

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