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Question

What is the range of wavelength of the spectrum of white light in nm?400nm to 500nm600nm to 800nm500nm to 600nmAll the above

A
600nm to 800nm
B
All the above
C
400nm to 500nm
D
500nm to 600nm
Solution
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The range of wavelength of visible light is approximately 400−800nm with violet being at the lower end (380−450nm) and red at the higher end (620−750nm).

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