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X-ray Telescopes Quiz

  1. Which property of the X-rays that impinge on matter at normal incidence makes medical films possible?

  2. X-rays impinging on certain materials at grazing incidence undergo:

  3. What German scientist developed three well-known optical configurations for imaging X-rays:

  4. Five coaxial conic sections can form an X-ray image.

  5. The first target of observation by an imaging X-ray system was:

  6. An astronomer would like to be able to image cosmic X-ray sources because:

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