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

Author Question: The chemical composition of stars can be determined from lines in their spectra. Indicate whether ... (Read 82 times)

sdfghj

  • Hero Member
  • *****
  • Posts: 552
on: Jul 28, 2018
The chemical composition of stars can be determined from lines in their spectra.
  Indicate whether the statement is true or false

Question 2

The characteristic peaks in an x ray spectrum of an atom occur because of rapid deceleration of the bombarding electrons.
  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

jxjsniuniu

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jul 28, 2018
Answer to Question 1

T

Answer to Question 2

F


sdfghj

  • Member
  • Posts: 552
Reply 2 on: Jul 28, 2018
Wow, this really help

Alyson.hiatt@yahoo.com

  • Member
  • Posts: 354
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

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 horizontal fraction bar was introduced by the Arabs.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

The "Emu in the sky," a constellation defined by dark clouds rather than the stars. The "Emu in the sky," a constellation defined by dark clouds rather than the stars.
Solar Spectra Solar Spectra
The chemical structure of mescaline, derived from the peyote cactus The chemical structure of mescaline, derived from the peyote cactus
Typical secondary ignition pattern. Note the lack of firing lines on superimposed pattern. Typical secondary ignition pattern. Note the lack of firing lines on superimposed pattern.
Determined the magnitude of the magnetic force on the conductor. Determined the magnitude of the magnetic force on the conductor.
Chloroplast segregation determined by mating type in Chlamydomonas Chloroplast segregation determined by mating type in Chlamydomonas
Video: Introduction to Herpes

For a complete list of videos, visit our video library