This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: How much energy is radiated each second by one square meter of a star whose temperature is 10,000 K? ... (Read 73 times)

tiara099

  • Hero Member
  • *****
  • Posts: 588
on: Jul 27, 2018
How much energy is radiated each second by one square meter of a star whose temperature is 10,000 K? s in the Stefan-Boltzmann law is equal to ,
 
  a. 5.67 x 1012 J
  b. 5.67 x 108 J
  c. 5.67 x 104 J
  d. 300 nm
  e. 300,000,000 nm

Question 2


  The diagram illustrates a light source, a gas cloud, and three different lines of sight. Along which line of sight would an observer see an emission spectrum?
 
  a. 1
  b. 2
  c. 3
  d. 2 and 3
  e. none of them


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

amynguyen1221

  • Sr. Member
  • ****
  • Posts: 355
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

B


tiara099

  • Member
  • Posts: 588
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

T4T

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

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.

Did you know?

The average adult has about 21 square feet of skin.

Diagrams showing the multiple energy shells and orbitals of a nitrogen atom Diagrams showing the multiple energy shells and orbitals of a nitrogen atom
The level in the coolant recovery system raises and lowers with engine temperature. The level in the coolant recovery system raises and lowers with engine temperature.
U.S. Energy Consumption U.S. Energy Consumption
Activation energy Activation energy
Observed global land and ocean surface temperature anomalies since 1850 Observed global land and ocean surface temperature anomalies since 1850
Chi-Square Analysis of Mendel’s Trihybrid-Cross Data Chi-Square Analysis of Mendel’s Trihybrid-Cross Data
Video: Role of complement proteins

For a complete list of videos, visit our video library