Radiations |
Range in Frequency (Hz) |
Range in Wavelength |
---|---|---|
Gamma rays |
3.0 × 1021 – 3.0 × 1018 |
.001 – 1.00Å |
X-rays |
3.0 × 1019 – 3.0 × 1016 |
0.1 – 100Å |
Ultraviolet |
3.0 × 1017 – 7.5 × 1014 |
10 – 4000Å |
Visible |
7.5 × 1014 – 4.0 × 1014 |
4000 – 7500Å |
Infrared |
4.0 × 1014 – 2.0 × 1013 |
7500Å – 15 µm |
Far infrared |
2.0 × 1013 – 3.0 × 1010 |
15 µm – 1 mm |
Microwave |
3.0 × 1012 – 3.0 × 108 |
0.1 mm – 1 m |
Radiowaves |
3.0 × 109 – 3.0 × 103 |
10 cm – 100 km |
Pre-factor |
Symbol |
Value |
---|---|---|
femto |
f |
10–15 |
pico |
P |
10–12 |
nano |
n |
10–9 |
micro | µ |
10–6 |
mili |
m |
10–3 |
kilo |
k |
103 |
Mega, million |
M |
106 |
Giga |
G |
109 |
Tera |
T |
1012 |
18.118.20.231