Author Question: Two photons that have the same wavelength also have the same A) frequency. B) energy. C) both ... (Read 63 times)

lindiwe

  • Hero Member
  • *****
  • Posts: 577
Two photons that have the same wavelength also have the same
 
  A) frequency.
  B) energy.
  C) both of these
  D) neither of these

Question 2

The focal length of a lens is 5 m. What is the refractive power of this lens in diopters?
 
  A) 0.1 diopters
  B) 0.2 diopters
  C) 0.3 diopters
  D) 0.4 diopters
  E) 0.5 diopters



SomethingSomething

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

Answer: C

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

For a complete list of videos, visit our video library