Author Question: In the electron double-slit experiment with electrons, what happens when a detector is used to ... (Read 59 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?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

For a complete list of videos, visit our video library