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Anna71 [15]
3 years ago
7

What is the wavelength of a photon with an energy of 4.56 *10^-19 J

Chemistry
2 answers:
zzz [600]3 years ago
4 0

Answer:

462nm

Explanation:

E=hf

c=fλ

E=hc/λ

The relation between the wavelength λ of a photon and its energy E is following: E=hc/λ where h = 6.626×10⁻³⁴ J⋅s is Planck’s constant, c = 3×10⁸ m/s is the speed of light. If E = 4.56×10^⁻¹⁹ J then λ = 463nm(nano meter)

Alecsey [184]3 years ago
4 0

Answer: It's 6.88 * 10 ^14

Explanation: this is the right answer for a pex

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