And what we predict as an energy difference between two levels, we know should correspond to the energy of light that's either emitted, if we're giving off a photon, or that's absorbed if we're going to take on a photon and jump from a lower to a higher energy level.
我们预测,两个能级之间的能量差,我们知道,它要么和发出的光有关,如果它发出光子的话,要么它吸收光子,从低能级跃迁到,更高能级上去。
Radiation is the emission of energy.
辐射会发出能量。
we start high and go low, we're dealing with emission where we have excess energy that the electron's giving off, and that energy is going to be equal the energy of the photon that is released and, of course, through our equations we know how to get from energy to frequency or to wavelength of the photon.
当我们从高到低时,我们说的,是发射,电子有多余的能量给出,这个能量等于,发出,光子的能量,当然我们可以通过方程,从能量知道,光子的频率,和波长。
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