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Explain about electromagnetic spectrum

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The classification of EM waves according to frequency is the electromagnetic spectrum

Electromagnetic wave type

Wavelength range

Radio wave

Greater than 0.1 m

Microwave

0.1m to 1 mm

Infra-red wave

1mm to 700 nm

Light

700 nm to 400 nm

Ultraviolet

400 nm to 1nm

X-rays

1nm to 0.001nm

Gamma rays

Less than 0.001nm

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