The wavelength of a photon that has an energy of 5.25 × 10-19 j is 3.78 × 10-⁷m
HOW TO CALCULATE WAVELENGTH:
- The wavelength of a photon of light can be calculated using the following formula/expression:
E = h × c/λ
Where;
- E = energy,
- h = Planck's constant
- c = the speed of light
- λ = wavelength.
- The speed of light (c) has a value of 3 × 10⁸m/s
- Planck's constant (h) has a value of 6.626 × 10-³⁴ Js
- The energy of the photon is given as 5.25 × 10-19 J
The wavelength of the photon can be calculated as follows:
λ = hc/E
λ = (6.626 × 10-³⁴ × 3 × 10⁸) ÷ 5.25 × 10-¹⁹
λ = 19.878 × 10-²⁶ ÷ 5.25 × 10-¹⁹
λ = 3.78 × 10-⁷m
- Therefore, the wavelength of a photon that has an energy of 5.25 × 10-19 j is 3.78 × 10-⁷m.
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