Q. A fathometer works on the principle of (Solved)
1. Reflection of magnetic waves
2. Reflection of sound waves
3. Reflection of ultrasonic waves
4. Reflection of radio waves
5. Reflection of gamma rays
- b. Reflection of sound waves
1. Reflection of magnetic waves
2. Reflection of sound waves
3. Reflection of ultrasonic waves
4. Reflection of radio waves
5. Reflection of gamma rays