The process of determination of distance of target on the basis of time interval between the moment an ultrasonic impulse is transmitted and the moment its echo is received is called as:

Navigation

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Ranging

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Echo-ranging

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Supersonic-ranging

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Solution

The correct option is C
Echo-ranging

The process of determination of distance of target on the basis of time interval between the moment an ultrasonic impulse is transmitted and the moment its echo is received is called as Echo-ranging. This is used to locate the target's distance and direction.

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A SONAR (sound navigation and ranging) uses ultrasonic waves to detect and locate objects under water. In a submarine equipped with a SONAR the time delay between generation of a probe wave and the reception of its echo after reflection from an enemy submarine is found to be 77.0 s. What is the distance of the enemy submarine? (Speed of sound in water = 1450 m s^–1).

The process of determination of distance of target on the basis of time interval between the moment an ultrasonic impulse is transmitted and the moment its echo is received is called as:

Give one reason for the use of ultrasonic rays for echo depth ranging.

Nature has equipped animals such as bats and porpoises with a mechanism by which they find their distance from an object using echoes. They emit ultrasonic squeaks which bounce off the surface in front of them and return as echoes. A bat in search of prey hears the echo of its squeak after 0.4 seconds.

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What is echo depth ranging?

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The process of determination of distance of target on the basis of time interval between the moment an ultrasonic impulse is transmitted and the moment its echo is received is called as:

The correct option is C Echo-ranging The process of determination of distance of target on the basis of time interval between the moment an ultrasonic impulse is transmitted and the moment its echo is received is called as Echo-ranging. This is used to locate the target's distance and direction.

The correct option is C
Echo-ranging

The process of determination of distance of target on the basis of time interval between the moment an ultrasonic impulse is transmitted and the moment its echo is received is called as Echo-ranging. This is used to locate the target's distance and direction.