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

Author Question: When light illuminates a grating with 7000 lines per centimeter, its second order maximum is at ... (Read 108 times)

tichca

  • Hero Member
  • *****
  • Posts: 554
When light illuminates a grating with 7000 lines per centimeter, its second order maximum is at 62.4. What is the wavelength of the light?
 
  A)
 
  336 nm
  B)
 
  363 nm
  C)
 
  452 nm
  D)
 
  633 nm
  E)
 
  752 nm

Question 2

Carbon-14 has a half-life of 5730 y. A sample of wood has been recovered by an archaeologist. The sample is sent to a laboratory,
 
  where it is determined that the activity of the sample is 0.144 Bq/g. By comparing this activity with the activity of living organic matter, 0.230 Bq/g, the scientist determines how old the wood sample is, or more precisely, when the tree that the sample came from died. How old is the sample of wood?
  A) 2940 y B) 3870 y C) 2630 y D) 4250 y E) 4590 y


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nmyers

  • Sr. Member
  • ****
  • Posts: 336
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 39% of students answer this correctly




tichca

  • Member
  • Posts: 554
Reply 2 on: Jul 29, 2018
Excellent


ultraflyy23

  • Member
  • Posts: 312
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

For a complete list of videos, visit our video library