Author Question: The ratio of the speed of light in a vacuum to the speed of light in a substance is defined as that ... (Read 225 times)

khang

  • Hero Member
  • *****
  • Posts: 569
The ratio of the speed of light in a vacuum to the speed of light in a substance is defined as that substance's ___________________ _ ___________________ _ ___________________ _.
 Fill in the blank(s) with correct word

Question 2

____________________ provide much weather data, including wind speed and direction, but they are typically launched only over land.
 Fill in the blank(s) with correct word



anoriega3

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

index of refraction

Answer to Question 2

Rawinsondes



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

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?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

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?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

For a complete list of videos, visit our video library