Multiple Choice
The design of modern X-ray telescopes depends on:
A) lenses made of germanium.
B) the prime focus design, with mirrors made of iron.
C) grazing incidence optics.
D) achromatic lenses to keep the X-rays in focus.
E) the Cassegrain design, with mirrors made of lead.
Correct Answer:
Verified
Correct Answer:
Verified
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