SONAR
Tested in 7 real MPSC questions across 2 years (2013–2017). See it in context on the interactive Concept Graph →
Years it was asked
What you need to know first
Real questions that test this
श्रव्यातीत तरंग असे तरंग आहेत की ते Ultrasonic waves are those waves which
Ultrasonic waves have frequencies above the human hearing range (greater than 20 kHz), hence they cannot be heard by human beings.
हृदयांच्या ठोकळ्यांचे तंत्रज्ञान यावर आधारित आहे The echocardiography technique is based on
Echocardiography uses high-frequency sound waves (ultrasonic waves) to produce live images of the heart's structure and functions.
समुद्राची खोली काढण्यासाठी या तंत्राचा वापर करतात : To determine the depth of sea this technique is used :
SONAR (Sound Navigation and Ranging) uses ultrasonic waves to measure distances and determine the depth of the sea by timing the echo return.
खालीलपैकी कोणते विधान सत्य नाही ? Which of the following statements is not true ?
SONAR (Sound Navigation and Ranging) uses sound waves for underwater navigation and detection, whereas gold plating is an electrochemical process, making statement 4 false.