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

Author Question: A paint pigment that absorbs red light and gives off blue light A) is fluorescent. B) is ... (Read 176 times)

drink

  • Hero Member
  • *****
  • Posts: 554
A paint pigment that absorbs red light and gives off blue light
 
  A) is fluorescent.
  B) is phosphorescent.
  C) is used in lasers.
  D) is polarized.
  E) doesn't exist.

Question 2

Astronomers can detect the spin rates of stars by
 
  A) their temperature.
  B) changes in temperature.
  C) absorption spectra.
  D) the Doppler effect.
  E) all of the above



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

chjcharjto14

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

Answer: E

Answer to Question 2

Answer: D




drink

  • Member
  • Posts: 554
Reply 2 on: Jul 29, 2018
Wow, this really help


mjenn52

  • Member
  • Posts: 351
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

For a complete list of videos, visit our video library