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Author Question: Light shines through atomic Hydrogen gas. It is seen that the gas absorbs light readily at a ... (Read 137 times)

abarnes

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on: Jul 29, 2018
Light shines through atomic Hydrogen gas. It is seen that the gas absorbs light readily at a wavelength of 91.33 nm.
 
  What is the level to which the Hydrogen is being excited by the absorption of light of this wavelength? Assume that the most of the atoms in the gas are in the lowest level. A) 25
  B) 27
  C) 22
  D) 32

Question 2

A 1-kg ball is released from a height of 6 m, and a 2-kg ball is released from a height of 3 m. Air resistance is negligible as they fall.
 
  Which of the following statements about these balls are correct? (There could be more than one correct choice) A) As they reach the ground, the 1-kg ball will have more kinetic energy than the 2-kg ball because it was dropped from a greater height.
  B) As they reach the ground, the 1-kg ball will be moving faster than the 2-kg ball.
  C) Both balls will reach the ground with the same speed.
  D) Both balls will reach the ground with the same kinetic energy.
  E) Both balls will take the same time to reach the ground.
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shoemake

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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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abarnes

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Reply 2 on: Jul 29, 2018
Excellent

bulacsom

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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