Author Question: What elementary particle has no charge, travels at or near the speed of light, and hardly ever ... (Read 69 times)

jlmhmf

  • Hero Member
  • *****
  • Posts: 552
What elementary particle has no charge, travels at or near the speed of light, and hardly ever interacts with other particles?
 a. Positron
  b. Plasmon
  c. Deuteron
  d. Neutrino

Question 2

Who developed the quantum theory in 1900 and has a constant named for him?
 a. de Broglie
  b. Bohr
  c. Planck
  d. Einstein



peter

  • Sr. Member
  • ****
  • Posts: 330
Answer to Question 1

d

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

Cyanide works by making the human body unable to use oxygen.

For a complete list of videos, visit our video library