Author Question: What elementary particle has no charge, travels at or near the speed of light, and hardly ever ... (Read 78 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?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

For a complete list of videos, visit our video library