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

Author Question: How hot was the universe at time zero? A) 2.73 K B) 5, 800 K C) 16, 000 K D) 1032 K E) We ... (Read 57 times)

lunatika

  • Hero Member
  • *****
  • Posts: 548
How hot was the universe at time zero?
 
  A) 2.73 K
  B) 5, 800 K
  C) 16, 000 K
  D) 1032 K
  E) We have no theory capable to addressing this question.

Question 2

In the Bohr model, the transitions of electrons down to ground state produce the Lyman lines in the ultraviolet.
 
  Indicate whether the statement is true or false



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

wuly

  • Sr. Member
  • ****
  • Posts: 327
Answer to Question 1

E

Answer to Question 2

TRUE



lunatika

  • Hero Member
  • *****
  • Posts: 548
Both answers were spot on, thank you once again



wuly

  • Sr. Member
  • ****
  • Posts: 327

 

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

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.

For a complete list of videos, visit our video library