Which of the following applies to the laser as a means of communication?

Question

Options

• ALine of sight transmission is necessary.
• BPoor weather conditions interfere with the beam.
• CIt is practically impossible to intercept the beam without detection.
• DBoth a and c.
• EAll of the above.

• A
  2% (1)
• B
  8% (4)
• C
  4% (2)
• D
  15% (8)
• E
  71% (37)

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