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 127 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?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

For a complete list of videos, visit our video library