Classical Electromagnetic Theory

[sahilmm15]

How did you find PF?

via my book(NCERT physics class 12) chapter 12(atoms)

I couldn't understand the circled text '2' which I marked after reading the above one. Can you explain me the below circled text with reference to the above one.

 

[PeroK]

This forum is just to introduce yourself. You'll need to repost your question under classical physics. But, I think you'll need to say a bit more about what you do and don't understand about the material in question.

 

[anuttarasammyak]

Nice to see you @sahilmm15 .

The upper circled texts say an electron with a circle motion would emit light of frequency same as revolution of the electron. Emitted light reduces kinetic energy of electron so it goes down near to nucleus and does altered revolution. In altered revolution electron emits light of altered frequency. Emitted light reduces kinetic energy of the electron,... and so on. The electron would draw orbit as Fig 7.12. You see it continuous process so would expect both electron orbit and emitted light frequency changes continuously in time. However, we observe no such continuous frequency lights actually.