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2021-06-30 01:31:39
00:29:40
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candle academy pakistan
welcome to candle academy Pakistan.this is lecture 16 of chapter 19 atomic spectra for class 12th physics Federal board and all kpk boards.
in this lecture problem 19.5, 19.6, 19.7 and 9.8 of solved.
Problem 19.5
A photon is emitted from hydrogen atom which undergoes a transition from n=3 state to n=2 state calculate:
a. The energy
b. The wavelength
c. Frequency of emitted photon
Problem 19.6
Find the longest wavelength of light capable of ionizing hydrogen atom. How much energy is needed to hydrogen atom?
Problem 19.7
calculate the radius of the innermost orbital level of hydrogen atom.
Problem 19.8
a. Determine the energy e associated with innermost orbit of hydrogen atom.
b. Determine the energy associated with the second orbit of hydrogen atom.
c. What energy does an incoming photon possess to raise an electron from photo to second allowed orbit of hydrogen atom?