Home UPPSC Prelims 2025 Mock Test Series MCQs

Question

SONAR utilizes which property of sound waves?

  1. Refraction
  2. Reflection
  3. Interference
  4. Diffraction

Answer:

Option B: Reflection

Detailed Solution:

The correct answer is “Reflection”.

SONAR (Sound Navigation and Ranging) uses the reflection of sound waves to detect objects underwater. The time it takes for the sound wave to return is used to determine the distance to the object.