What is the approximate wavelength of visible light?

(a) 7 × 10 –7 m

(b) 7 m

(c) 1 × 10 7 m

(d) 70 m

its answer A....that's the answer is

Explanation:

The visible light spectrum is the section of the electromagnetic radiation spectrum that is visible to the human eye. Essentially, that equates to the colors the human eye can see. It ranges in wavelength from approximately 400 nanometers (4 x 10 -7 m, which is violet) to 700 nm (7 x 10-7 m, which is red).

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