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

Author Question: The hydrogen Balmer line H has a wavelength of 486.1 nm in the laboratory. It is observed in a ... (Read 96 times)

Themember4

  • Hero Member
  • *****
  • Posts: 538
on: Jul 27, 2018
The hydrogen Balmer line H has a wavelength of 486.1 nm in the laboratory. It is observed in a quasar at 2430.5 nm. What is the fractional change in wavelength or redshift z of this quasar?
 
  a. 5
  b. 0.5
  c. 0.25
  d. 4
  e. 1944.4

Question 2

The Algol paradox is explained by considering
 
  a. the degenerate nature of the hydrogen on the surface of the white dwarf.
  b. synchrotron radiation.
  c. the rate of expansion of the shock wave inside the supernova.
  d. the rotation rate of a neutron star.
  e. mass transfer between the two stars in a binary system.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mochi09

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 27, 2018
Answer to Question 1

d

Answer to Question 2

e


Themember4

  • Member
  • Posts: 538
Reply 2 on: Jul 27, 2018
Wow, this really help

bigsis44

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Image was downloaded from the Jet Propulsion Laboratory web site Image was downloaded from the Jet Propulsion Laboratory web site
A Double-Line Spectroscopic Binary A Double-Line Spectroscopic Binary
Time Line of Human History From Upper Paleolithic Period to the Present Time Line of Human History From Upper Paleolithic Period to the Present
Three days after the Boston Marathon explosion, the FBI released this photograph that had been taken Three days after the Boston Marathon explosion, the FBI released this photograph that had been taken
Two wells are filled with the same antigen, and when they diffuse to the antibody, they make a line ... Two wells are filled with the same antigen, and when they diffuse to the antibody, they make a line ...
Raman has a line of credit loan with the ICICI bank. The initial loan balance was $72000.00. ... Raman has a line of credit loan with the ICICI bank. The initial loan balance was $72000.00. ...
Video: Optic Nerve and Optic Disk Animation (Part 2 of 2)

For a complete list of videos, visit our video library