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

Author Question: FM radio only operates in the frequency range 88 MHz to 108 MHz because a. higher or lower ... (Read 57 times)

P68T

  • Hero Member
  • *****
  • Posts: 509
on: Jul 28, 2018
FM radio only operates in the frequency range 88 MHz to 108 MHz because
 a. higher or lower frequencies are blocked by the ionosphere
  b. higher and lower frequencies are not radio waves
  c. the government set those limits
  d. none of the above

Question 2

The type of EM radiation that causes your skin to tan is
 a. ultraviolet
  b. infrared
  c. x rays
  d. microwave
  e. gamma rays


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ngr69

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

A


P68T

  • Member
  • Posts: 509
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

AmberC1996

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Increasing access to care for teen mothers is important because they have a higher rate of pregnancy ... Increasing access to care for teen mothers is important because they have a higher rate of pregnancy ...
A typical camshaft-driven high-pressure pump used to increase fuel pressure to 2,000 PSI or higher. A typical camshaft-driven high-pressure pump used to increase fuel pressure to 2,000 PSI or higher.
Fascial mobilization techniques. (A) Fascial mobilization on the lower back using the palm. (B) ... Fascial mobilization techniques. (A) Fascial mobilization on the lower back using the palm. (B) ...
UV-Range That Optimizes Vitamin D3 Biosynthesis UV-Range That Optimizes Vitamin D3 Biosynthesis
Two normal frequency distributions with the same mean but different amounts of variation Two normal frequency distributions with the same mean but different amounts of variation
Video: Integumentary Anatomy

For a complete list of videos, visit our video library