Chemistry Practice Problems Wavelength and Frequency Practice Problems Solution: The laser on a Blu-ray player has a wavelength of ...

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Solution: The laser on a Blu-ray player has a wavelength of 405 nm. In what region of the electromagnetic spectrum is this radiation? What is its frequency?

Problem

The laser on a Blu-ray player has a wavelength of 405 nm. In what region of the electromagnetic spectrum is this radiation? What is its frequency?

Solution

Electromagnetic waves are categorized according to their wavelengths or frequency.  An illustration of the electromagnetic spectrum is shown below. 

The table below shows the type or name of the region according to a range of wavelength. 

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