what is the wavelength of red light

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Salman Ahmad Siddiqui

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Wavelength of red light is approx. 700nm.
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Tutor

For general calculations, it is taken as 700 nm, but it can vary from 680-720 nm range as all these frequency will appear red to normal eye.
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Trainer

700 nm
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Tutor

622 to 780nm
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700 nm
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Prefection Point

Its 680 nanometers
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Prefection Point

Its 680 nanometers
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Tutor

maximum wave length of Red colour is 760nm, Radiation of minimum frequency is 4*1014 HZ
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Professional Tutor

There is not a single wavelenth of red light. There is a reference range for red light that lies between 620-780 nanometers.
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Red light is the light having highest wavelength and lowest frequency.Approximate wavelength of various colours(VIBGYOR) lie in 390-780 nm range where red light occupies the slot 780-622 nm.
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