Author Question: After an electron has been accelerated through a potential difference of 0.15 kV, what is its de ... (Read 88 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?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

For a complete list of videos, visit our video library