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

Author Question: Assume you are a particle in a box called the universe. Estimate your minimum kinetic energy. ... (Read 65 times)

mydiamond

  • Hero Member
  • *****
  • Posts: 804
on: Jul 27, 2018
Assume you are a particle in a box called the universe. Estimate your minimum kinetic energy. (Assume the edge of the box is at a distance of 20. Giga Light Years.)
 
  What will be an ideal response?

Question 2

A diffraction grating has 6000. lines per centimeter ruled on it.
 
  What is the angular separation between the second and the third orders on the same side of the central order when the grating is illuminated with a beam of light of wavelength 550. nm?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dudman123

  • Sr. Member
  • ****
  • Posts: 304
Reply #1 on: Jul 27, 2018
Answer to Question 1

6  10-123Joules = 3  10-104 eV from /2 = 2R (R = 20. GLY) and K = p2/(2m) = h2/2m2)

Answer to Question 2

40.5


mydiamond

  • Member
  • Posts: 804
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

alvinum

  • Member
  • Posts: 317
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

The lepidosaur kinetic skull The lepidosaur kinetic skull
Pre–steady state kinetic evidence for an acyl-enzyme intermediate Pre–steady state kinetic evidence for an acyl-enzyme intermediate
Free Energy Enzymes Free Energy Enzymes
Twelve primary energy channels and the Conception and Governing Vessels of Traditional Chinese ... Twelve primary energy channels and the Conception and Governing Vessels of Traditional Chinese ...
A thin cleft, called the synapse, separates one cell from another. A thin cleft, called the synapse, separates one cell from another.
The leptin–melanocortin pathway of energy balance The leptin–melanocortin pathway of energy balance
Video: Stomach peristalsis & Enterogastric reflex

For a complete list of videos, visit our video library