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

Author Question: You may have heard it said that all objects, even ones at the temperature of our bodies, are ... (Read 24 times)

aabwk4

  • Hero Member
  • *****
  • Posts: 593
You may have heard it said that all objects, even ones at the temperature of our bodies, are continually emitting electromagnetic radiation. Is this true?
 
  A) Yes, and the radiation referred to results from the trace amounts of radioactive material that have accumulated in our bodies from the food we eat.
  B) Yes, and the radiation from our bodies is mostly in the infrared region of the spectrum, and hence not detected by our eyes.
  C) Yes, and this radiation is mostly in the form of radio waves, which is a common source of static often heard on an AM radio.
  D) No, this is not true. If a person were emitting electromagnetic radiation, he could be seen glowing in the dark, and this is obviously not the case for most people.

Question 2

Fiber optics depends upon the phenomenon of
 
  A) total internal reflection.
  B) diffuse reflection.
  C) polarization.
  D) dispersion.
  E) absorption.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

shaikhs

  • Sr. Member
  • ****
  • Posts: 312
Answer to Question 1

B

Answer to Question 2

A




aabwk4

  • Member
  • Posts: 593
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)


nanny

  • Member
  • Posts: 313
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

For a complete list of videos, visit our video library