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Author Question: Two beams of coherent light start out at the same point in phase and travel different paths to ... (Read 624 times)

Chelseaamend

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on: Jul 29, 2018
Two beams of coherent light start out at the same point in phase and travel different paths to arrive at point P. If the maximum constructive interference is to occur at point P, the two beams must travel paths that differ by
 
  A) an odd number of half-wavelengths.
  B) a whole number of half-wavelengths.
  C) a whole number of wavelengths.

Question 2

A 4.0-g bead carries a charge of 20 C. The bead is accelerated from rest through a potential difference V, and afterward the bead is moving at 2.0 m/s. What is the magnitude of the potential difference V?
 
  A) 800 kV
  B) 400 kV
  C) 800 V
  D) 400 V
  E) 200 V
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Ddddd

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Reply #1 on: Jul 29, 2018
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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Chelseaamend

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Reply #2 on: Jul 29, 2018
Thanks


Ddddd

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Reply #3 on: Jul 29, 2018
Welcome :)


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