Remote sensing techniques makes use of the properties of-----emitted, reflected or diffracted by the sensed objects:

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Remote sensing techniques makes use of the properties of-----emitted, reflected or diffracted by the sensed objects: Answer: electromagnetic waves

Question context

This question is part of 🚧 Civil Engineering within the broader 🛠️ Engineering Essentials subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.