This topic contains a solution. Click here to go to the answer

Author Question: You want to confine an electron in a box (an infinite well) so that its ground state energy is 5.0 ... (Read 34 times)

joblessjake

  • Hero Member
  • *****
  • Posts: 555
You want to confine an electron in a box (an infinite well) so that its ground state energy is 5.0  10-18 J. What should be the length of the box? (h = 6.626  10-34 J  s, mel = 9.11  10-31 kg)
 
  A) 0.15 nm B) 0.18 nm C) 0.22 nm D) 0.11 nm

Question 2

Gamma rays are photons with very high energy. What is the wavelength of a gamma-ray photon with energy 7.7  10-13 J? (c = 3.0  108 m/s, h = 6.626  10-34 J  s)
 
  A) 3.1  10-13 m B) 3.5  10-13 m C) 3.9  10-13 m D) 2.6  10-13 m



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

aliotak

  • Sr. Member
  • ****
  • Posts: 326
Answer to Question 1

D

Answer to Question 2

D




joblessjake

  • Member
  • Posts: 555
Reply 2 on: Jul 29, 2018
Gracias!


CAPTAINAMERICA

  • Member
  • Posts: 325
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

For a complete list of videos, visit our video library