By signing in you confirm you are 18 or older, or have your parent’s or guardian’s consent.

NDA 2 2025 GAT, question 70

Topic: Physics

Q70

SONAR stands for

  1. (a) Sonographic Natural Ranging
  2. (b) Simple Operational Navigation Ranging
  3. (c) Sound Navigation and RangingCorrect answer
  4. (d) Simple Operational Natural Ranging

Solution.

Answer: (c) Sound Navigation and Ranging

  1. SONAR expands to Sound Navigation and Ranging.
  2. It uses sound pulses and their echoes to locate objects or measure distance, commonly underwater.