« previous next »

Author Question: Because of atmospheric refraction, a star seen near Earth's horizon is actually ____. a. slightly ... (Read 282 times)

skymedlock

  • Hero Member
  • *****
  • Posts: 561
on: Jul 13, 2018
Because of atmospheric refraction, a star seen near Earth's horizon is actually ____.
   a. slightly higher than it appears
   b. slightly lower than it appears
   c. slightly brighter than it appears
   d. much further away than it appears
   e. much dimmer than it appears

Question 2

Light that travels from a less-dense to a more-dense medium ____ speed and bends ____ the normal.
   a. gains; toward
   b. loses; toward
   c. gains; away
   d. loses; away
   e. gains; either toward or away


diesoon

  • Sr. Member
  • ****
  • Posts: 353
Reply #1 on: Jul 13, 2018
Answer to Question 1

ANSWER: b

Answer to Question 2

ANSWER: b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

skymedlock

  • Hero Member
  • *****
  • Posts: 561
Reply #2 on: Jul 13, 2018
Correct answers!


diesoon

  • Sr. Member
  • ****
  • Posts: 353
Reply #3 on: Jul 13, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

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%).

The effects of elevated atmospheric CO2 on insect herbivores. The effects of elevated atmospheric CO2 on insect herbivores.
A steady needle reading that rises 2 or 3 inches Hg when the engine speed is increased slightly ... A steady needle reading that rises 2 or 3 inches Hg when the engine speed is increased slightly ...
Changes in Atmospheric Turbidity Changes in Atmospheric Turbidity
Wavelengths that penetrate the earth's atmosphere Wavelengths that penetrate the earth's atmosphere
A sea star A sea star
Earth 240 Million Years Ago Earth 240 Million Years Ago
Video: Structures that affect circulation - heart and systolic/diastolic BP

For a complete list of videos, visit our video library