Author Question: A researcher is investigating a cubic crystal with x-rays. He is looking at Bragg reflection from ... (Read 49 times)

jeatrice

  • Hero Member
  • *****
  • Posts: 543
A researcher is investigating a cubic crystal with x-rays. He is looking at Bragg reflection from the planes parallel to the cube faces.
 
  He finds that when using x-rays of 0.165 nm a strong first maximum occurs when the beam makes an angle of 23.5 with the planes. What is the spacing of adjacent atoms in the crystal?

Question 2

Which two renewable energy resources provide the largest amount of energy today?
 
  A) hydroelectric and wind
  B) hydroelectric and biomass
  C) active solar and photovoltaics
  D) photovoltaics and wind
  E) biomass and active solar



jaykayy05

  • Sr. Member
  • ****
  • Posts: 329
Answer to Question 1

0.207 nm

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...

For a complete list of videos, visit our video library