If the sound waves are sent sona frequency 15 kbps oenta out to be finding the size of the object under water that can make this sound thonsa นครื่น peach, speed of sound in seawater 1531 m, equivalent to per second.
If the sonar sends sound waves with a frequency of 15 kilo earth flux to determine the size of objects underwater can only echo the jubilant sound is set to the speed of sound in water is 1531 meters per second.
If the sonar send sound waves with frequency 15 kg oh business. Out find the size of the object under the water that can get the reflection ครื่น this sound due to the speed of sound in the sea of 1531 per second.