What is the wavelength of visible spectrum?

1 1300A-3000A

2 3900A-7600A

3 7800A-8000A

4 8500A-9800A



What is the wavelength of visible spectrum? 1 1300A-3000A 2 3900A-7600A 3 7800A-8000A 4 ..

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(2) 3900A-7600A

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