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PROBLEM #6. In BALMER lines in Hydrogen atom in Bohr model. An electron makes transition from...

Question:

PROBLEM #6. In BALMER lines in Hydrogen atom in Bohr model. An electron makes transition from n=4 to n=2. A. Find the energy

PROBLEM #6. In BALMER lines in Hydrogen atom in Bohr model. An electron makes transition from n=4 to n=2. A. Find the energy of the emitted radiation (photon) in this transition in ev. B. Find the wave length, frequency, and its De Broglie momentum. C. Can you make a guess of the color of this photon? D. FOR THE ELECTRON IN n= 2 CALCULATE ITS SPEED, RADIUS FROM THE NUCLUS, LINEAR MOMENTUM, ANGULAR MOMENTUM, KINETIC ENERGY, TOTAL ENERGY, AND De Broglie WAVE LENGTH.

Answers

(A m= 4 n=3 E4 Ez E2 E who n = 2 Energy associated with oth state of hydrogen atom is En = -13-6 en 0 n² so energy of faliotowavelength of D 1 20 F é- te = © light is 4.075 810lm = 4875 Å This corresponds to blue colour light ③ By Bohrs postulates -Limear momementum - fez mx de 9:11X103) X 109x10 9x106 fi = 9.93x1oorgimis Angular momentum Jamuel = glixio 31x1.09 x100x 2.1

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