Author Question: If both 30-GeV electrons and 30-GeV protons are used to probe the nucleus, which has the shorter ... (Read 14 times)

joe

  • Hero Member
  • *****
  • Posts: 627
If both 30-GeV electrons and 30-GeV protons are used to probe the nucleus, which has the shorter wavelength?
 
  A)
 
  They are the same.
  B)
 
  the electrons
  C)
 
  the protons
  D)
 
  It depends on the nucleus probed.
  E)
 
  They are never the same.

Question 2

A convex lens has focal length f. An object is placed at 2f on the axis. The image formed is located
 
  A)
 
  between 2f and infinity.
  B)
 
  at 2f.
  C)
 
  between f and 2f.
  D)
 
  at f.



johnpizzaz

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

C

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

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.

For a complete list of videos, visit our video library