Author Question: What is the minimum temperature for a cloud to excite emission lines from H2? A) 10 K B) 30 K ... (Read 29 times)

dmcintosh

  • Hero Member
  • *****
  • Posts: 517
What is the minimum temperature for a cloud to excite emission lines from H2?
 
  A) 10 K
  B) 30 K
  C) 100 K
  D) 300 K
  E) 1000 K

Question 2

Sunspots are only about 2,000 K cooler than the much brighter photosphere.
 
  Indicate whether the statement is true or false



angrybirds13579

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

C

Answer to Question 2

TRUE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

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?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

For a complete list of videos, visit our video library