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

Author Question: The normal U.S. average annual radiation dose per person is about how many REM? What will be an ... (Read 106 times)

Deast7027

  • Hero Member
  • *****
  • Posts: 538
on: Jul 27, 2018
The normal U.S. average annual radiation dose per person is about how many REM?
 
  What will be an ideal response?

Question 2

A photon cannot create an electron pair unless its frequency is
 
  A) less than 1.24  1020 Hz.
  B) less than 2.47  1020 Hz.
  C) greater than 1.24  1020 Hz.
  D) greater than 2.47  1020 Hz.
  E) infinite.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

leannegxo

  • Sr. Member
  • ****
  • Posts: 374
Reply #1 on: Jul 27, 2018
Answer to Question 1

0.20

Answer to Question 2

C


Deast7027

  • Member
  • Posts: 538
Reply 2 on: Jul 27, 2018
Excellent

chjcharjto14

  • Member
  • Posts: 342
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Cellular section from the brain of a person who died from Alzheimer's disease. Cellular section from the brain of a person who died from Alzheimer's disease.
Normal portal circulation. Normal portal circulation.
Hydronephrosis. Normal kidney (left) and kidney with hydronephrosis (right) are compared. Note the d Hydronephrosis. Normal kidney (left) and kidney with hydronephrosis (right) are compared. Note the d
Average national IQs according to IQ and Global Inequality Average national IQs according to IQ and Global Inequality
A deficiency of linoleic acid can interfere with normal growth and result in inflammation A deficiency of linoleic acid can interfere with normal growth and result in inflammation
Relationship of Sun Angle and Solar Radiation Relationship of Sun Angle and Solar Radiation
Video: Optic Nerve and Optic Disk Animation (Part 1 of 2)

For a complete list of videos, visit our video library