Q. A periscope is mainly used in:

  • (A) Aircraft
  • (B) Submarines
  • (C) Satellites
  • (D) Spacecraft
✅ Correct Answer: (B) Submarines
Explanation: A periscope allows viewing objects above sea level from a submarine.

Published by Mr. Dubey ⭐ 109.86K Points at 18-Jul-2026 03:56 pm in General Awareness

Explanation by: Mr. Dubey
A periscope allows viewing objects above sea level from a submarine.

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