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athrun200 said:In part (b), why does E=nhf?
For me, it seems E=nh is enough, why does the equation involve frequency f after quantization?
The equation "Dose E=hn" refers to the relationship between energy (E) and frequency (n) in quantum mechanics. It states that the energy of a photon is directly proportional to its frequency.
This equation is one of the fundamental principles of quantization of energy, which states that energy exists in discrete packets or quanta rather than being continuous. The equation shows that the energy of a photon can only take on specific values determined by its frequency.
Quantization of energy is a principle in quantum mechanics that states that energy exists in discrete, specific amounts (quanta) rather than being continuous. In other words, energy cannot take on any value, but only certain specific values.
Quantization of energy is important in science as it helps explain many phenomena at the atomic and subatomic level. It also plays a crucial role in understanding the behavior of particles and energy in quantum mechanics, which is essential in fields such as particle physics and chemistry.
The equation "Dose E=hn" was first proposed by German physicist Max Planck in 1900. He was trying to explain the observed behavior of radiation emitted by hot objects, which could not be explained by classical physics. Planck's equation laid the foundation for the development of quantum mechanics and earned him the Nobel Prize in Physics in 1918.