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Author Question: An energy of 13.6 eV is needed to ionize an electron from the ground state of a hydrogen atom. ... (Read 200 times)

Melani1276

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on: Aug 10, 2020

Question 1

An electron is moving at a speed of 2.1 × 106 m/s in the first Bohr orbit. Determine its de Broglie wavelength.

◦
0.30 × 10−10 m

◦
1.7 × 10−10 m

◦
0.50 × 10−10 m

◦
3.5 × 10−10 m

◦
1.5 × 10−10 m


Question 2

An energy of 13.6 eV is needed to ionize an electron from the ground state of a hydrogen atom. Selecting the longest wavelength that will work from the those given below, what wavelength is needed if a photon accomplishes this task?

◦
60 nm

◦
80 nm

◦
70 nm

◦
90 nm

◦
40 nm
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
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Marked as best answer by Melani1276 on Aug 10, 2020

Carissamariew

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Reply #1 on: Aug 10, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Melani1276

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Reply 2 on: Aug 10, 2020
Gracias!

sultana.d

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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