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

Author Question: How can a half-life be used to tell the age of a sample? A) The half-life of an isotope is ... (Read 106 times)

bio_gurl

  • Hero Member
  • *****
  • Posts: 524
on: Jul 29, 2018
How can a half-life be used to tell the age of a sample?
 
  A) The half-life of an isotope is constant.
  B) The amount of radioactive form depends on the amount of radiation in the surroundings.
  C) The ratio between the radioactive form and the stable form depends on the archaeological record.
  D) The ratio between the radioactive form and stable form varies regularly with time.
  E) both C and D

Question 2

When a beam of light, originally traveling in air, enters a piece of glass having an index of refraction of 3/2, its wavelength
 
  A) increases by a factor of 3/2.
  B) is reduced to 2/3 its original value.
  C) is unaffected.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ApricotDream

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: D

Answer to Question 2

B


bio_gurl

  • Member
  • Posts: 524
Reply 2 on: Jul 29, 2018
Gracias!

vickybb89

  • Member
  • Posts: 347
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

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?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

These young adults look forward to a life together as they celebrate their wedding These young adults look forward to a life together as they celebrate their wedding
two-host life cycles of plasmodium two-host life cycles of plasmodium
Sample Teaching Plan for Hypertension Cont. Sample Teaching Plan for Hypertension Cont.
Sample composition of maternal and paternal HLA haplotypes. Sample composition of maternal and paternal HLA haplotypes.
Life Expectancy in Developed Countries Life Expectancy in Developed Countries
The decay constant of radon-222 is 0.181 d-1. If a sample of radon initially contains 6.00 × ... The decay constant of radon-222 is 0.181 d-1. If a sample of radon initially contains 6.00 × ...
Video: Dorsal Recumbent Position

For a complete list of videos, visit our video library