MCQ
$X-$ rays are not used for radar purpose because
  • They are not reflected by the target
  • B
    They are not electromagnetic waves
  • C
    They are completely absorbed by the air
  • D
    They sometimes damage the target

Answer

Correct option: A.
They are not reflected by the target
a
(a) $X-$ rays are absorbed by the target; they are not reflected by the target.

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