2
Question
SONAR is based on the principle of __________.
SONAR is based on the principle of __________.
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Solution
The correct option is C echo
SONAR works on principle of reflection of sound waves (ECHO) from an object to be detected or tracked. SONAR transmitters use ultrasonic sound waves which are high frequency waves with frequency over 20Khz.
It sends the ultrasonic sound waves towards the obstacle from where they get reflected. After reflection, these waves are received by the SONAR Receiver.
A clock system measures the time interval between the transmitted and received wave, and calculate the total distance traveled by Sound wave.
SONAR works on principle of reflection of sound waves (ECHO) from an object to be detected or tracked. SONAR transmitters use ultrasonic sound waves which are high frequency waves with frequency over 20Khz.
It sends the ultrasonic sound waves towards the obstacle from where they get reflected. After reflection, these waves are received by the SONAR Receiver.
A clock system measures the time interval between the transmitted and received wave, and calculate the total distance traveled by Sound wave.
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