Author Question: The speed of light in a material is 1.74 108 m/s. What is the index of refraction of this material? ... (Read 94 times)

Mr3Hunna

  • Hero Member
  • *****
  • Posts: 536
The speed of light in a material is 1.74  108 m/s. What is the index of refraction of this material?
 a. 1.72
  b. 0.58
  c. 1.74
  d. 0.218

Question 2

If a rubidium surface is irradiated with blue light of wavelength 450.0 nm, what is the kinetic energy of the electrons emitted? (The work function for rubidium is  = 2.09 eV.)



tashiedavis420

  • Sr. Member
  • ****
  • Posts: 329
Answer to Question 1

a

Answer to Question 2

0.67 eV



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

For a complete list of videos, visit our video library