Question

Range of ultravoilet and visible spectrum

Answer 1

Answer:

UV-Vis is often called a general technique, as most molecules absorb light in the UV-visible wavelength range. The UV range extends from 100–400 nm, and the visible spectrum ranges from 400–700 nm

Explanation:

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Answer 2

Answer:

UV= 100-400 nm

Visible = 400-700 nm

Explanation:

UV-Vis is often called a general technique, as most molecules absorb light in the UV-visible wavelength range. The UV range extends from 100–400 nm, and the visible spectrum ranges from 400–700 nm.

However, most spectrophotometers do not operate in the deep UV range of 100–200 nm, as light sources in this range are expensive. Most UV-Vis spectrophotometers use a deuterium lamp for the UV range, which produces light from 170–375 nm, and a tungsten filament lamp for the visible range, which produces light from 350–2,500 nm.