Author Question: If both 30-GeV electrons and 30-GeV protons are used to probe the nucleus, which has the shorter ... (Read 12 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?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

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?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

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?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

For a complete list of videos, visit our video library