Answer
Visible light has a range from 400nm to 700nm
Work Step by Step
Visible Light wavelength ($\lambda$) ranges from violet to red.
Violet has a wavelength of 400 nm.
red light has a wavelength of 700nm.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.