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

Author Question: Consider the decay o - + e+. This decay is A) forbidden because conservation of baryon number is ... (Read 274 times)

cartlidgeashley

  • Hero Member
  • *****
  • Posts: 572
Consider the decay o  - + e+. This decay is
 
  A) forbidden because conservation of baryon number is violated.
  B) forbidden because conservation of lepton numbers is violated.
  C) allowed.
  D) forbidden because conservation of mass is violated.
  E) forbidden because conservation of energy is violated.

Question 2

A polarizer (with its preferred direction rotated 30 to the vertical) is placed in a beam of unpolarized light of intensity 1. After passing through the polarizer, the beam's intensity is
 
  A)
 
  0.25.
  B)
 
  0.50.
  C)
 
  0.63.
  D)
 
  0.87.
  E)
 
  0.75.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Dominic

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

B

Answer to Question 2

B





 

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

For a complete list of videos, visit our video library