« previous next »

Author Question: In state n = 1, the energy of the hydrogen atom is -13.58 eV. What is its energy in state n = 2? ... (Read 70 times)

craiczarry

  • Hero Member
  • *****
  • Posts: 527
on: Jul 27, 2018
In state n = 1, the energy of the hydrogen atom is -13.58 eV. What is its energy in state n = 2?
 
  A) -1.51 eV
  B) -6.79 eV
  C) -3.40 eV
  D) -4.53 eV
  E) -5.89 eV

Question 2

The lifetime of an excited nuclear state is 10-9 s. What is the minimum uncertainty in the energy of this state?
 
  A) 1  10-9 eV
  B) 1  10-25 eV
  C) 6  10-25 eV
  D) 5  10-9 eV
  E) 7  10-7 eV


Beatricemm

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

E


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

craiczarry

  • Hero Member
  • *****
  • Posts: 527
Reply #2 on: Jul 27, 2018
TY


Beatricemm

  • Sr. Member
  • ****
  • Posts: 323
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Energy cycle of the biosphere Energy cycle of the biosphere
hydrogen hydrogen
Free Energy Enzymes Free Energy Enzymes
The seven chakras or energy centers in Ayurvedic philosophy. Courtesy of Rev. Larissa Dahroug, ... The seven chakras or energy centers in Ayurvedic philosophy. Courtesy of Rev. Larissa Dahroug, ...
The Sun and the radiant energy The Sun and the radiant energy
Physics: Power, Energy and Time Physics: Power, Energy and Time
Video: Wound Care

For a complete list of videos, visit our video library