THE ELECTROMAGNETIC SPECTRUM

https://science.nasa.gov/ems

Here is the entire electromagnetic spectrum listed by wavelength in nanometers (nm):

Here is the entire electromagnetic spectrum listed by wavelength in nanometers (nm):

1. Gamma Rays: < 0.01 nm
2. X-Rays: 0.01 - 10 nm
3. Ultraviolet (UV) Light: 10 - 400 nm
   • UV-C: 100 - 280 nm
   • UV-B: 280 - 320 nm
   • UV-A: 320 - 400 nm
4. Visible Light: 400 - 700 nm
   • Violet: 380 - 450 nm
   • Blue: 450 - 495 nm
   • Green: 495 - 570 nm
   • Yellow: 570 - 590 nm
   • Orange: 590 - 620 nm
   • Red: 620 - 750 nm
5. Infrared (IR) Light: 700 nm - 1 mm
   • Near-IR: 700 - 1400 nm
   • Mid-IR: 1400 - 30000 nm
   • Far-IR: 30000 nm - 1 mm
6. Microwaves: 1 mm - 1 m
7. Radio Waves: > 1 m

FREQUENCY IN (Hz)

Here’s a comprehensive list of the electromagnetic spectrum categorized by frequency in hertz (Hz):

1. Radio Waves:

   • Extremely Low Frequency (ELF): 3 Hz to 30 Hz
   • Very Low Frequency (VLF): 30 Hz to 3 kHz
   • Low Frequency (LF): 3 kHz to 30 kHz
   • Medium Frequency (MF): 30 kHz to 300 kHz
   • High Frequency (HF): 300 kHz to 3 MHz
   • Very High Frequency (VHF): 3 MHz to 30 MHz
   • Ultra High Frequency (UHF): 30 MHz to 300 MHz
   • Super High Frequency (SHF): 300 MHz to 3 GHz
   • Extremely High Frequency (EHF): 3 GHz to 30 GHz

2. Microwaves:

   • 300 MHz to 300 GHz (0.3 GHz to 300,000 MHz)

3. Terahertz Radiation:

   • 0.1 THz to 3 THz (100 GHz to 3,000 GHz)

4. Infrared Radiation:

   • Near Infrared: 0.75 THz to 1 THz (750 GHz to 1,000 GHz)
   • Mid Infrared: 1 THz to 30 THz (1,000 GHz to 30,000 GHz)
   • Far Infrared: 30 THz to 300 THz (30,000 GHz to 300,000 GHz)

5. Visible Light:

   • Approximately 430 THz to 750 THz (430,000 GHz to 750,000 GHz)

6. Ultraviolet Light:

   • 30 PHz to 3 EHz (30,000 THz to 3,000 THz)

7. X-Rays:

   • 30 EHz to 30 ZHz (30,000 PHz to 30,000,000 THz)

8. Gamma Rays:

   • 30 EHz (greater than 30,000 PHz)

This categorization includes the frequency ranges for various types of electromagnetic radiation, illustrating the vast spectrum of electromagnetic frequencies.

The electromagnetic spectrum can also be described in terms of vibrations or oscillations, typically expressed in hertz (Hz), which indicates the number of cycles per second. Here’s the complete list of the electromagnetic spectrum categorized by frequency in vibrations (Hz):

1. Radio Waves:

   • Extremely Low Frequency (ELF): 3 Hz to 30 Hz
   • Very Low Frequency (VLF): 30 Hz to 3 kHz
   • Low Frequency (LF): 3 kHz to 30 kHz
   • Medium Frequency (MF): 30 kHz to 300 kHz
   • High Frequency (HF): 300 kHz to 3 MHz
   • Very High Frequency (VHF): 3 MHz to 30 MHz
   • Ultra High Frequency (UHF): 30 MHz to 300 MHz
   • Super High Frequency (SHF): 300 MHz to 3 GHz
   • Extremely High Frequency (EHF): 3 GHz to 30 GHz

2. Microwaves:

   • 300 MHz to 300 GHz (0.3 GHz to 300,000 MHz), equivalent to $10^8$ to $3 \times 10^{11}$ Hz

3. Terahertz Radiation:

   • 0.1 THz to 3 THz (100 GHz to 3,000 GHz), equivalent to $10^{11}$ to $3 \times 10^{12}$ Hz

4. Infrared Radiation:

   • Near Infrared: 0.75 THz to 1 THz (750 GHz to 1,000 GHz), equivalent to $7.5 \times 10^{11}$ to $10^{12}$ Hz
   • Mid Infrared: 1 THz to 30 THz (1,000 GHz to 30,000 GHz), equivalent to $10^{12}$ to $3 \times 10^{13}$ Hz
   • Far Infrared: 30 THz to 300 THz (30,000 GHz to 300,000 GHz), equivalent to $3 \times 10^{13}$ to $3 \times 10^{14}$ Hz

5. Visible Light:

   • Approximately 430 THz to 750 THz (430,000 GHz to 750,000 GHz), equivalent to $4.3 \times 10^{14}$ to $7.5 \times 10^{14}$ Hz

6. Ultraviolet Light:

   • 30 PHz to 3 EHz (30,000 THz to 3,000 THz), equivalent to $3 \times 10^{16}$ to $3 \times 10^{18}$ Hz

7. X-Rays:

   • 30 EHz to 30 ZHz (30,000 PHz to 30,000,000 THz), equivalent to $3 \times 10^{19}$ to $3 \times 10^{21}$ Hz

8. Gamma Rays:

   • 30 EHz (greater than 30,000 PHz), equivalent to $> 3 \times 10^{19}$ Hz

This framework provides a detailed understanding of electromagnetic frequencies in terms of vibrations per second (Hz).