Author Question: Refraction occurs for both sound and light. When refraction occurs there is a change in 1) ... (Read 48 times)

charchew

  • Hero Member
  • *****
  • Posts: 579
Refraction occurs for both sound and light. When refraction occurs there is a change in
 
  1) frequency.
  2) wavelength.
  3) speed.
  4) all of the above.
 
  When sound travels faster near the ground than above, bending of sound tends to be
  5) upward.
  6) downward.
  7) neither of these.

Question 2

A V-shaped bow wave is produced when a boat moves
 
  1) more slowly than the velocity of waves in the water.
  2) as fast as the waves in the water.
  3) faster than the velocity of waves in the water.
  4) at any speed, slower or faster than the water waves.
 
  Which bow wave corresponds to the faster-moving boat?
  5) I
  6) II



phuda

  • Sr. Member
  • ****
  • Posts: 348
Answer to Question 1

Answer: 3, 5

Answer to Question 2

Answer: 3, 5



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

For a complete list of videos, visit our video library