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Physics

The wavelength of light is 589nm. What is its wavelength in Å?

Measurements

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Answer

As we know, 1nm = 10 Å

Given,

The wavelength of light = 589nm

Substituting the value of wavelength in the relation above, we get,

$1nm = 10 Å \\[0.5em] 589nm = 589 \times 10 Å \\[0.5em] \Rightarrow 589nm = 5890 Å \\[0.5em]$

Hence, the wavelength of light in Å is 5890 Å.

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