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Author Question: A parallel-plate capacitor is connected to a battery and becomes fully charged. The capacitor is ... (Read 132 times)

Yi-Chen

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on: Jul 29, 2018
A parallel-plate capacitor is connected to a battery and becomes fully charged.
 
  The capacitor is then disconnected, and the separation between the plates is increased in such a way that no charge leaks off. As the plates are being separated, the energy stored in this capacitor
  A) increases. B) become zero. C) does not change. D) decreases.

Question 2

A photon of initial wavelength 0.651 nm, after being scattered from a free electron at rest, moves off at an angle of 120 with respect to its incident direction.
 
  (mel = 9.11  10-31 kg, h = 6.626  10-34 J  s, c = 3.00  108 m/s)
  (a) What is the wavelength of the scattered photon?
  (b) What is the energy of the scattered photon?


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nathang24

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

A

Answer to Question 2

(a) 0.655 nm (b) 3.04  10-16 J


Yi-Chen

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

dyrone

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Reply 3 on: Yesterday
Wow, this really help

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