Answer :
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
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