This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The energy of an electron state has an uncertainty of about 0.500 eV. What is the uncertainty in the ... (Read 199 times)

scienceeasy

  • Hero Member
  • *****
  • Posts: 565
on: Jul 27, 2018
The energy of an electron state has an uncertainty of about 0.500 eV. What is the uncertainty in the life-time of the level?
 
  A) 1.32  10-15 s
  B) 8.28  10-15 s
  C) 1.32  10-11 s
  D) 8.28  10-11 s
  E) 1.32  10-8 s

Question 2

Consider an atom with four accessible energy levels. What is the maximum number of different wavelengths that could be emitted by such an atom?
 
  A) 7
  B) 4
  C) 6
  D) 5
  E) 8


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bigsis44

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

C


scienceeasy

  • Member
  • Posts: 565
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

alvinum

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Events of the postabsorptive state. Events of the postabsorptive state.
The liver in this photograph was from a deceased patient with an advanced state of cirrhosis. The liver in this photograph was from a deceased patient with an advanced state of cirrhosis.
Scorpions, Spiders and Sharks: Electron-Microscope Images Scorpions, Spiders and Sharks: Electron-Microscope Images
This chart illustrates the four quadrants in which we can place the relationships between the state This chart illustrates the four quadrants in which we can place the relationships between the state
electron affinity electron affinity
Electromagnetic Spectrum of Radiant Energy Electromagnetic Spectrum of Radiant Energy
Video: DNA Sequences - Dideoxy Sequencing

For a complete list of videos, visit our video library