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 235 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?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

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?

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

For a complete list of videos, visit our video library