Multiple choice general knowledge science & technology

A radiation shield should have

  1. a)zero reflectivity

  2. b)low reflectivity

  3. c)high reflectivity

  4. d)none of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A radiation shield works primarily by reflecting radiation away, so high reflectivity is essential. Materials with high reflectivity (like polished metals or multilayer insulation) are most effective at blocking thermal radiation.

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