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What is the wavelength of a light of frequency 4.47 x 1014 Hz?

Sagot :

The wavelength of light is 0.433 x 10⁻⁶m.

  • The quantum hypothesis proposed by Planck was that electromagnetic energy quantized in packets of energy or photons.
  • The formula E = hv
  • E stands for energy, h for Planck's constant, and v for frequency
  • This is Planck's law, which states that energy is quantized
  • This is , meaning that the energy is in the form of discrete packets. He calls quantum or quantum. All electrons belong to some energy level. If it tries to move to a higher energy level, it needs energy, but at the higher energy level it becomes unstable, releasing energy and returning to its initial state.
  • Currently, the amount of energy absorbed or emitted is limited to a certain amount, which is an integer multiple of small units of energy called quanta.
  • Using this concept, experimental measurements have shown that the energy of a photon is proportional to its frequency. Planck's constant h is defined as the constant of proportionality, or the ratio of a photon's energy to its frequency.
  • y=3 x10⁸/4.47 x 10¹⁴=0.433 x 10⁻⁶m

To learn further on energy of a photon -

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