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What is the groove spacing on a CD?

What is the groove spacing on a CD?

Item no.: P1416201

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The setup of the experiment is uncritical and provides in general good and reliable measured results.


  • Specified for the requirements of the german final secondary-school examinations
  • Especially for secondary schools
  • Quantum and wave optics in a student experiment


What is the distance between the grooves on a CD? A CD made with grooves similar to a record. In contrast to the record the distances between the grooves of a CD are so small that they can hardly be seen with the naked eye. In this experiment you will learn about a method to determine the distance between the grooves.



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p1416201e.pdf Experiment guide, English 316.24 KB

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