Measuring Electromagnetic Radiation and Frequency: What Equipment Do I Need?

  • Thread starter milkiewaye21
  • Start date
  • Tags
    Emf
In summary, Electromagnetic radiation and frequency are two different concepts that describe the different types of waves in the electromagnetic spectrum. To measure these waves, you would need specific equipment for each frequency range, as they cannot be detected by the same device.
  • #1
milkiewaye21
1
0
Ok so I'm no pysichs buff, but could someone describe what the differences between Electromagnetic Radiation (Is this just a name for radiation?) and Electromagnetic Frequency (Do microwaves fall in this category aswell)? I basically would like to know the generic name of the devices (not brand spesific) that I can use to measure Microwaves (low frequency:5Hz-400KHz, high frequency:30MHz-2000MHz) and general radiation (like the different waves and stuff). Do I only need one piece of equipment? Please be nice:)

Thanks lots!

Milkiewaye21
 
Physics news on Phys.org
  • #2
Electromagnetic radiation consists of the entire spectrum of possible frequencies; this ranges from the low frequency TV and radio waves to the high frequency gamma rays.

Electromagnetic frequency is the frequency of these waves...in other words, how many cycles these waves pass through every second.

Detecting low frequency EM waves and high frequency EM waves require different equipment. You can't use a radio to detect gamma rays, nor can you use an optical telescope to detect radio waves. For this reason, your eyes see only a small portion of the EM spectrum, they don't detect all EM waves.
 

1. Is EMR the same as EMF?

No, EMR (electromagnetic radiation) and EMF (electromagnetic field) are not the same. EMR is a type of energy that is emitted from sources such as electronic devices and cell phones. EMF, on the other hand, is a physical field that is created by the presence of electrically charged objects or moving electrical currents.

2. What is the difference between EMR and EMF?

The main difference between EMR and EMF is that EMR is a form of energy that travels through space, while EMF is a physical field that exists around electrically charged objects or moving electrical currents. EMR can also be referred to as electromagnetic waves, while EMF is often described as a force or field.

3. Are EMR and EMF harmful to humans?

There is ongoing research and debate about the potential health effects of EMR and EMF on humans. Some studies have shown that high levels of exposure to EMR from sources such as cell phones may have adverse health effects, while others have not found a significant link. EMF is also a topic of concern, particularly in the context of high-voltage power lines, but more research is needed to fully understand its impact on human health.

4. Can EMR and EMF be measured?

Yes, both EMR and EMF can be measured using specialized equipment. EMR can be measured in units such as watts per square meter (W/m²) or milliwatts per square centimeter (mW/cm²), while EMF can be measured in units of tesla (T) or gauss (G). The measurements of these fields can vary depending on the source and strength of the EMR or EMF.

5. How can we protect ourselves from EMR and EMF?

To protect ourselves from EMR and EMF, we can limit our exposure to sources of these fields. This can include using hands-free devices for cell phones, keeping a safe distance from high-voltage power lines, and limiting the use of electronic devices. Some people also choose to use shielding materials or devices to reduce their exposure to EMR and EMF, but the effectiveness of these methods is still being studied.

Similar threads

  • Other Physics Topics
Replies
27
Views
2K
  • Other Physics Topics
Replies
5
Views
1K
Replies
13
Views
2K
  • Sci-Fi Writing and World Building
Replies
8
Views
2K
Replies
9
Views
2K
  • Electrical Engineering
Replies
8
Views
2K
Replies
8
Views
13K
Replies
6
Views
2K
Replies
1
Views
972
Back
Top