Author Question: After an electron has been accelerated through a potential difference of 0.15 kV, what is its de ... (Read 80 times)

colton

  • Hero Member
  • *****
  • Posts: 627
After an electron has been accelerated through a potential difference of 0.15 kV, what is its de Broglie wavelength? (e = 1.60  10-19 C, melectron = 9.11  10-31 kg, h = 6.626  10-34 J  s)
 
  A) 0.10 nm
  B) 1.0 nm
  C) 1.0 mm
  D) 1.0 cm

Question 2

A cubical box, 5.00 cm on each side, is immersed in a fluid. The gauge pressure at the top surface of the box is 594 Pa and the gauge pressure on the bottom surface is 1133 Pa. What is the density of the fluid?
 
  A) 1100 kg/m3
  B) 12,000 kg/m3
  C) 2340 kg/m3
  D) 1220 kg/m3
  E) 1000 kg/m3


tsternbergh47

  • Sr. Member
  • ****
  • Posts: 311
Answer to Question 1

A

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

For a complete list of videos, visit our video library