Author Question: A blackbody is an ideal system that A) absorbs 100 of the light incident upon it, but cannot emit ... (Read 58 times)

CharlieWard

  • Hero Member
  • *****
  • Posts: 578
A blackbody is an ideal system that
 
  A) absorbs 100 of the light incident upon it, but cannot emit light of its own (i.e., a black body).
  B) emits 100 of the light it generates, but cannot absorb radiation of its own.
  C) either absorbs 100 of the light incident upon it, or emits 100 of the radiation it generates.
  D) absorbs 50 of the light incident upon it, and emits 50 of the radiation it generates.

Question 2

Consider a Carnot refrigerator which is operated between -3C and 23.C. What is its COP?
 
  A) 10
  B) 9.0
  C) 11.
  D) 10.
  E) 3.1



FergA

  • Sr. Member
  • ****
  • Posts: 352
Answer to Question 1

B

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

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?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

For a complete list of videos, visit our video library