The Chandra X-ray telescope must use:
A) a lens of fluorite.
B) grazing incidence optics to focus the short wavelengths.
C) a Newtonian reflecting design to avoid chromatic aberration.
D) X-ray film instead of CCDs for imaging.
E) a Schmidt corrector plate to avoid spherical aberration.

Question

Quizplus · Accepted Answer

Grazing incidence optics are necessary for focusing short-wavelength X-rays, as regular lenses cannot focus these wavelengths effectively.

The Chandra X-Ray Telescope Must Use