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Author Question: X-rays of energy 2.9 104 eV are scattered by a free stationary electron through an angle of 135. ... (Read 223 times)

jlmhmf

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on: Jul 29, 2018
X-rays of energy 2.9  104 eV are scattered by a free stationary electron through an angle of 135.
 
  What is the energy of the scattered x-rays, in electron volts? (mel = 9.11  10-31 kg, e = - 1.60  10-19 C, h = 6.626  10-34 J  s, c = 3.00  108 m/s, 1 eV = 1.60  10-19 J)

Question 2

A photon of wavelength 18.0 pm is scattered through an angle of 120 by a stationary electron. What is the wavelength of the scattered photon? (mel = 9.11  10-31 kg, h = 6.626  10-34 J  s, c = 3.00  108 m/s)
 
  A) 21.6 pm B) 22.9 pm C) 20.4 pm D) 19.2 pm E) 24.1 pm


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aruss1303

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

2.6  104 eV

Answer to Question 2

A


jlmhmf

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

amandalm

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Reply 3 on: Yesterday
Excellent

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