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Author Question: Two steel spheres are made of the same material and have the same diameter, but one is solid and the ... (Read 79 times)

xroflmao

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on: Jul 29, 2018
Two steel spheres are made of the same material and have the same diameter, but one is solid and the other is hollow. If their temperature is increased by the same amount
 
  A) the two spheres remain of equal size.
  B) the solid sphere becomes lighter and the hollow one becomes heavier.
  C) the solid sphere becomes bigger than the hollow one.
  D) the solid sphere becomes heavier and the hollow one becomes lighter.
  E) the hollow sphere becomes bigger than the solid one.

Question 2

What is the wavelength of the emitted photon if an electron in the hydrogen atom makes a transition from the n = 7 state to the n = 2 state? (c = 3.00  108 m/s, h = 6.626  10-34 J  s, 1 eV = 1.60  10-19 J)
 
  A) 199 nm
  B) 365 nm
  C) 4480 nm
  D) 398 nm
  E) 796 nm
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olderstudent

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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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xroflmao

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Reply #2 on: Jul 29, 2018
TY


olderstudent

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Reply #3 on: Jul 29, 2018
You're welcome


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