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Byju's Answer
Standard XII
Physics
Source of EM Waves
Identify the ...
Question
Identify the electromagnetic waves whose wavelengths lie in the range
1)
10
11
m
<
λ
<
10
−
11
m
2)
10
−
4
m
<
λ
<
10
−
6
m
Write one use of each.
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Solution
1.
10
11
m
<
λ
10
−
11
m
- Radio waves
They help in contacting the signals from satellite far from the earth. They have high frequency therefore dont scatter.
2.
10
−
4
m
<
λ
10
−
6
m
-Visible light
They help us to see the world in different colors.They give our eyes the color.
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