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 112 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
Gracias!

smrtceo

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Hydrogen Bonds Can Form Between or Within Molecules Hydrogen Bonds Can Form Between or Within Molecules
Hydrogen bonding of water with itself and with other compounds Hydrogen bonding of water with itself and with other compounds
Examples of Ways That Different Types of Intersections of Two Line Segments Can Be Transformed into Examples of Ways That Different Types of Intersections of Two Line Segments Can Be Transformed into
Hydrogen bond Hydrogen bond
The end of a typical line wrench, which shows that it is capable of grasping most of the head of ... The end of a typical line wrench, which shows that it is capable of grasping most of the head of ...
Fuel should be heard returning to the fuel tank at the fuel return line if the fuel pump and ... Fuel should be heard returning to the fuel tank at the fuel return line if the fuel pump and ...
Video: Primate Evolutionary Tree Animation

For a complete list of videos, visit our video library