Question

The principle used in SONAR is
A) refraction of sound
B) reflection of sound
C) difference of sound
D) polarization of sound
please explain the reason also

Answer 1

Hello Mortals

The option B is correct.

SONAR is basically based on the principal of Reflection of sound.
It is used to measure the distance between ships and the sea level.
The radiations are being sent from ships and that gets reflected back and received.

Now, time and speed is calculated and on thay basis distance is obtained.

Answer 2

difference of sound
(Reason:To send out sound waves underwater or through the human body to locate objects.)