This topic contains a solution. Click here to go to the answer

Author Question: Isolated bells ring clearly, while bells crammed in a box have a muffled ring. This is analogous to ... (Read 140 times)

urbanoutfitters

  • Hero Member
  • *****
  • Posts: 530
Isolated bells ring clearly, while bells crammed in a box have a muffled ring. This is analogous to light emitted by
 
  A) a laser.
  B) a fluorescent lamp.
  C) an incandescent lamp.
  D) a phosphorescent source.
  E) none of the above

Question 2

As the filament of a lamp is heated it changes
 
  A) temperature.
  B) color.
  C) both of these
  D) neither of these



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

komodo7

  • Sr. Member
  • ****
  • Posts: 322
Answer to Question 1

Answer: C

Answer to Question 2

Answer: C



urbanoutfitters

  • Hero Member
  • *****
  • Posts: 530
Both answers were spot on, thank you once again




 

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

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.

For a complete list of videos, visit our video library