Ultrasonic Waves | MCQs

    Q1: Which type of signals are used by sonar?

    سونار کس قسم کے سگنل استعمال کرتے ہیں؟
    • A. Radio wave
    • B. Light waves
    • C. Microwaves
    • D. Sound waves
✅ Correct: 0 | ❌ Wrong: 0 | 📊 Total Attempted: 0