The instrument which uses sound waves to measure the depth of oceans is – (1) Radar (2) Sonar (3) Altimeter (4) Venturimeter

The instrument which uses sound waves to measure the depth of oceans is – (1) Radar (2) Sonar (3) Altimeter (4) Venturimeter
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(2) Sonar Explanation: The instrument which uses sound waves to measure the depth of oceans is sonar. Sound waves can travel much faster from one point to another. Sound waves are far more accurate for measuring these vast distances. Sonar may be used as a means of acoustic location and of measurement of the echo characteristics of "targets" in the water. Sonar may also be used in air for robot navigation, and SODAR is used for atmospheric investigations.
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The instrument which uses sound waves to measure the depth of oceans is (1) Radar (2) Sonar (3) Altimeter (4) Venturimeter

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Last Answer : (2) Anemometer Explanation: An anemometer is a device for measuring wind speed, and is a common weather station instrument. The term is derived from the Greek word anemos, meaning wind, and ... between the pressure and the speed, an anemometer designed for one will give information about both.

The instrument used to measure the speed of the wind is – (1) Altimeter (2) Anemometer (3) Chronometer (4) Dosimeter

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Last Answer : (2) Anemometer Explanation: An anemometer is a device for measuring wind speed, and is a common weather station instrument. The term is derived from the Greek word anemos, meaning wind, ... aerodynamics. The first known description of an anemometer was given by Leon Battista Alberti around 1450.

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Instrument used to measure the force and velocity of the wind is (1) Ammeter (2) Anemometer (3) Altimeter (4) Audiometer

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The principle used in radar is the same as that of Sonar. In radar we use radio waves ; whereas in sonar we use ? A. red waves B. Infrared waves C. Ultrasonic (Answer) D. super sonic E. None of these

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Last Answer : (1) sonar Explanation: Sonar (originally an acronym for Sound Navigation And Ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, communicate ... acoustic location and of measurement of the echo characteristics of "targets" in the water.

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Last Answer :  measure the depth of the sea

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Description : Which of the following sensor work based on radio detection and ranging? A : Sonar B : Radar C : Intertial D : Biosensor

Last Answer : B : Radar

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Last Answer : C : Smart Camera

Which of the following sensor make use of light emitting diode? A : Sonar B : Radar C : Infrared D : Laser Rangefinder

Description : Which of the following sensor make use of light emitting diode? A : Sonar B : Radar C : Infrared D : Laser Rangefinder

Last Answer : C : Infrared

Which of the following is a visual sensor? A : Laser Rangefinder B : Radar C : Smart Camera D : Sonar

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Last Answer : C : Smart Camera

Which of the following sensor work based on radio detection and ranging? A : Sonar B : Radar C : Intertial D : Biosensor

Description : Which of the following sensor work based on radio detection and ranging? A : Sonar B : Radar C : Intertial D : Biosensor

Last Answer : B : Radar

Which of the following sensor make use of light emitting diode? A : Sonar B : Radar C : Infrared D : Laser Rangefinder

Description : Which of the following sensor make use of light emitting diode? A : Sonar B : Radar C : Infrared D : Laser Rangefinder

Last Answer : C : Infrared

Which of the following is a visual sensor? A : Laser Rangefinder B : Radar C : Smart Camera D : Sonar

Description : Which of the following is a visual sensor? A : Laser Rangefinder B : Radar C : Smart Camera D : Sonar

Last Answer : C : Smart Camera

Which of the following sensor work based on radio detection and ranging? A : Sonar B : Radar C : Intertial D : Biosensor

Description : Which of the following sensor work based on radio detection and ranging? A : Sonar B : Radar C : Intertial D : Biosensor

Last Answer : B : Radar

Which of the following sensor make use of light emitting diode? A : Sonar B : Radar C : Infrared D : Laser Rangefinder

Description : Which of the following sensor make use of light emitting diode? A : Sonar B : Radar C : Infrared D : Laser Rangefinder

Last Answer : C : Infrared

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Description : Which of the following sensor work based on radio detection and ranging? A : Sonar B : Radar C : Intertial D : Biosensor

Last Answer : B : Radar

Speed of sound in water is 1500 m s-1, depth of water when reflected sound waves are detected after 0.40 s is A. 700 m B. 600 km C. 600 m D. 750 km

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Last Answer : 600 m

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Last Answer : (2) Measuring instrument for frequency of electromagnetic waves