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Name the main parts of the electromagnetic spectru...
1.
Name the main parts of the electromagnetic spectrum giving their wavelength range or frequency range ?
Answer»
Types of em waves
Wavelength range
frequency
γ -ray
< 10
-3
nm
10
18
to 10
22
Hz
X - rays
10
-3
nm to 1 nm
10
16
to 10
19
Hz
UV - rays
1 nm to 400 nm
10
16
to 10
17
Hz
visible rays
400 nm to 700 nm
4 x 10
14
to 7 x 10
14
Hz
IR - rays
700 nm to 1 mm
10
11
to 5 x 10
14
Hz
Microwaves
1 mm to 0.1 m
10
9
to 10
12
Hz
Radio waves
0.1 m to 30 km
10
4
to 10
8
Hz
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