Author Question: In the electron double-slit experiment with electrons, what happens when a detector is used to ... (Read 60 times)

c0205847

  • Hero Member
  • *****
  • Posts: 531
In the electron double-slit experiment with electrons, what happens when a detector is used to determine through which slit the electron actually passes?
 
  A) The electron then acquires both a precise velocity and a precise position.
  B) The pattern on the screen suddenly becomes an wave-interference pattern.
  C) The electron suddenly jumps into a state of higher energy.
  D) The pattern on the screen suddenly becomes a non-interference pattern.
  E) Batman arrives.

Question 2

How did Brahe measure highly accurate planetary positions?
 
  A) By careful measurements of the brightness of the planets, as seen from Earth.
  B) With larger and more elegant sighting instruments.
  C) By his invention of the technique know as triangulation (measuring the distance between 2 points, and measuring 2 angles, to determine the distance to a 3rd point).
  D) With the recently-invented telescope.
  E) With a new type of telescope that used mirrors instead of lenses.



hollysheppard095

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

D

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

For a complete list of videos, visit our video library