Lifelong Learning Programme

This project has been funded with support from the European Commission.
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Chemistry is all around us
Copyright 2015
This project has been funded with
support from the European Commission

Educational Packages

Chemistry and Art

Chemical Analysis of Historical Materials and Cultural Heritage Objects

Step 2 - Exercises

Infrared radiation (IR) is used in infrared spectroscopy, what is its wavelength? Is the IR light visible by the human eye?

  • wavelength between 760 nm and 1 mm, it is visible by human eye
  • wavelength between 760 nm and 1 mm, it is not visible by human eye
  • wavelength between 400-750 nm, visible by human eye
  • ranging from as long as one meter to as short as one millimeter, it is not visible by human eye
  • wavelength between 760 nm and 1 mm, it is visible by human eye