1m =109 nm και 1nm =10-9 m Μήκος κύματος ορατού φωτός: 400 nm - 700 nm (ή 4000 Å - 7000 Å ≈ 4 ×10-7 - 7 ×10-7 m ) Μονάδα μήκους Άνγκστρομ Å = 0,1nm = 1×10-10 m και micron µ = 1×10−6 m
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ΕΝΔΕΙΚΤΙΚΕΣ ΖΩΝΕΣ ΤΟΥ ΗΛΕΚΤΡΟΜΑΓΝΗΤΙΚΟΥ ΦΑΣΜΑΤΟΣ |
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ΖΩΝΗ |
ΜΗΚΟΣ ΚΥΜΑΤΟΣ |
ΣΥΧΝΟΤΗΤΑ | |
|---|---|---|---|
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LF low frequency |
10000m - 1000m |
30-300 kHz | |
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MF medium frequency |
1000m - 100m |
300-3000 kHz | |
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HF high frequency (SW) |
100m - 10m |
3-30 MHz | |
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Radio - TV |
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FM |
2.5 - 3.5 m |
87-108 MHz |
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VHF-UHF-SAT |
20 cm - 2.5 m |
120 MHz - 1.5 GHz | |
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Microwave |
0.01 - 20 cm |
1.5-3000 GHz | |
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SAT |
1.5-300 GHz | ||
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EHF extremely high frequency |
30-300 GHz | ||
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Far Infrared |
20,000-100,000 nm |
3000 -15000 GHz | |
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Near Infrared |
700-20,000 nm |
15000 - 430,000 GHz | |
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Visible |
400-700 nm |
430,000 -750,000 GHz | |
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Red |
620-760 nm |
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Orange |
570-620 nm |
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Yellow |
550-570 nm |
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Green |
470-550 nm |
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Blue |
440-470 nm |
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Violet |
380-440 nm |
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Ultraviolet |
4-400 nm |
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Soft XRay |
1-20 nm |
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Hard XRay |
0.1-1 nm |
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Gamma Ray |
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1m =109 nm και 1nm =10-9 m Μήκος κύματος ορατού φωτός: 400 nm - 700 nm (ή 4000 Å - 7000 Å ≈ 4 ×10-7 - 7 ×10-7 m ) Μονάδα μήκους Άνγκστρομ Å = 0,1nm = 1×10-10 m και micron µ = 1×10−6 m
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