when it is said that energy is quantized, it means that...
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They have fixed energy values.
Probably the best answer is Max Planck, who discovered that energy was quantized.
Each photon has a specific amount of energy.
The concept of quantized energy levels, first proposed by Neils Bohr, states that electrons can only exist in certain possible energy levels, which he pictured as orbits around a nucleus since the energy of an electron is proportional to its distance from the nucleus.
Each photon has a specific amount of energy.
They have fixed energy values.
No. A quantized orbit means the energy is locked in as a constant. It would have to switch to a different orbit to emit energy.
Quantized. (Number 4 if you are using what I think you are using.)
They have fixed energy values.
Probably the best answer is Max Planck, who discovered that energy was quantized.
Hop
Each photon has a specific amount of energy.
The concept of quantized energy levels, first proposed by Neils Bohr, states that electrons can only exist in certain possible energy levels, which he pictured as orbits around a nucleus since the energy of an electron is proportional to its distance from the nucleus.
Quantized
Each photon has a specific amount of energy.
Stairs is a good example (u cant stand halfway between a stair, therefore a quantized or fixed amount of energy is used on each step)
Electrical charge is quantized. (negative in an electron, as an electron has exactly -1 fundamental unit of charge) The other two would be the energy levels in the atoms and the emitted energy.