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  • With which of following instruments can a sailor in a sub...
Multiple choice

With which of following instruments can a sailor in a submarine see the objects on the surface of sea?

  1. Periscope

  2. Telescope

  3. Gyroscope

  4. Stereoscope

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A Correct answer
Explanation

A periscope uses mirrors or prisms to reflect light, allowing submarine sailors to view objects on the surface while submerged.

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