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Author Question: A hydrogen atom emits a photon as it makes a transition from the n = 4 state to the n = 3 state. The ... (Read 142 times)

sabina

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on: Jul 29, 2018
A hydrogen atom emits a photon as it makes a transition from the n = 4 state to the n = 3 state. The energies of these two states are 0.9 eV and 1.5 eV, respectively. (a) What is the energy of the photon? (b) What is its frequency?

Question 2

What is the de Broglie wavelength of an electron traveling 100 m/s?

Question 3

A photon emitted by an excited atom has an energy of 5 eV. What is its frequency?


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mistyjohnson

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Reply #1 on: Jul 29, 2018
Answer to Question 1

(a) 0.6 eV, (b) 1.5  1014 Hz

Answer to Question 2

7.28  106 m

Answer to Question 3

1.21  1015 Hz


sabina

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Reply 2 on: Jul 29, 2018
Gracias!

daiying98

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

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