Submerged objects can be located using (1) radar (2) sonar (3) quasar (4) pulsar

Submerged objects can be located using (1) radar (2) sonar (3) quasar (4) pulsar
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sonar
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Submerged objects can be located using (1) Radar (2) Sonar (3) Quasar (4) Pulsar

Description : Submerged objects can be located using (1) Radar (2) Sonar (3) Quasar (4) Pulsar

Last Answer : (2) 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 with or detect objects on or under the surface of the water, such as other vessels.

What apparatus is used to locate a submerged object? (1) Radar (2) Sonar (3) Quasar (4) Pulsar

Description : What apparatus is used to locate a submerged object? (1) Radar (2) Sonar (3) Quasar (4) Pulsar

Last Answer : (2) 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 ... sound made by vessels; active sonar is emitting pulses of sounds and listening for echoes.

What apparatus is used to locate a submerged object? (1) Radar (2) Sonar (3) Quasar (4) Pulsar

Description : What apparatus is used to locate a submerged object? (1) Radar (2) Sonar (3) Quasar (4) Pulsar

Last Answer : Sonar

The device used for locating submerged objects under sea is – (1) sonar (2) radar (3) laser (4) maser

Description : The device used for locating submerged objects under sea is – (1) sonar (2) radar (3) laser (4) maser

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.

The device used for locating submerged objects under sea is. (1) sonar (2) radar (3) laser (4) maser

Description : The device used for locating submerged objects under sea is. (1) sonar (2) radar (3) laser (4) maser

Last Answer : sonar

A spinning neutron star is known as – (1) White dwarf (2) Black hole (3) Pulsar (4) Quasar

Description : A spinning neutron star is known as – (1) White dwarf (2) Black hole (3) Pulsar (4) Quasar

Last Answer : (3) Pulsar Explanation: Pulsars are spinning neutron stars that have jets of particles moving almost at the speed of light streaming out above their magnetic poles. These jets produce very powerful beams of light.

PSR J0108-1431 is the closest known ------- to Earth? A. Black hole B. Red giant C. Quasar D. Pulsar (Answer)

Description : PSR J0108-1431 is the closest known ------- to Earth? A. Black hole B. Red giant C. Quasar D. Pulsar (Answer)

Last Answer : D. Pulsar (Answer)

A spinning neutron star is known as (1) White dwarf (2) Black hole (3) Pulsar (4) Quasar

Description : A spinning neutron star is known as (1) White dwarf (2) Black hole (3) Pulsar (4) Quasar

Last Answer : Pulsar

Radar is used to (1) locate submerged submarines. (2) receive signal from radio receivers. (3) detect and locate distant objects. (4) locate geostationary satellites.

Description : Radar is used to (1) locate submerged submarines. (2) receive signal from radio receivers. (3) detect and locate distant objects. (4) locate geostationary satellites.

Last Answer :  detect and locate distant objects

The technique used by bats to find their way or to locate food is _______. (1) SONAR (2) RADAR (3) Echolocation (4) Flapping

Description : The technique used by bats to find their way or to locate food is _______. (1) SONAR (2) RADAR (3) Echolocation (4) Flapping

Last Answer : (3) Echolocation Explanation: Bats use echolocation to navigate and find food in the dark. To echolocate, bats send out sound waves from their mouth or nose. When the sound waves hit an object they produce echoes.

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

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

Last Answer : (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 ... Sonar may also be used in air for robot navigation, and SODAR is used for atmospheric investigations.

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

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

Last Answer : Sonar

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

Description : 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

Last Answer : C. Ultrasonic (Answer)

Which of the following sensor uses a laser beam to determine the distance to an object? A : Sonar B : Radar C : Infrared D : Laser Rangefinder

Description : Which of the following sensor uses a laser beam to determine the distance to an object? A : Sonar B : Radar C : Infrared D : Laser Rangefinder

Last Answer : D : Laser Rangefinder

To measure heat of an object which of the following sensor is used? A : Sonar B : Radar C : Infrared D : Laser Rangefinder

Description : To measure heat of an object which of the following sensor is used? A : Sonar B : Radar C : Infrared D : Laser Rangefinder

Last Answer : C : Infrared

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 work based on sound navigation ranging? A : Sonar B : Radar C : Intertial D : Biosensor

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

Last Answer : A : Sonar

The sensor that sends out sound pulses called pings, then receives the returning sound echo is called A : Active Sonar B : Passive Sonar C : Radar D : Laser Rangefinder

Description : The sensor that sends out sound pulses called pings, then receives the returning sound echo is called A : Active Sonar B : Passive Sonar C : Radar D : Laser Rangefinder

Last Answer : A : Active Sonar

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 sensor is not used to measure the distance? A : Radar B : Sonar C : Laser RangefinderD : Intertial Sensor

Description : Which of the following sensor is not used to measure the distance? A : Radar B : Sonar C : Laser RangefinderD : Intertial Sensor

Last Answer : D : Intertial Sensor

To measure heat of an object which of the following sensor is used? A : Sonar B : Radar C : Infrared D : Laser Rangefinder

Description : To measure heat of an object which of the following sensor is used? A : Sonar B : Radar C : Infrared D : Laser Rangefinder

Last Answer : C : Infrared

Which of the following sensor work based on sound navigation ranging? A : Sonar B : Radar C : Intertial D : Biosensor

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

Last Answer : A : Sonar

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 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 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

To measure heat of an object which of the following sensor is used? A : Sonar B : Radar C : InfraredD : Laser Rangefinder

Description : To measure heat of an object which of the following sensor is used? A : Sonar B : Radar C : InfraredD : Laser Rangefinder

Last Answer : C : Infrared

Which of the following sensor is not used to measure the distance? A : Radar B : Sonar C : Laser Rangefinder D : Intertial Sensor

Description : Which of the following sensor is not used to measure the distance? A : Radar B : Sonar C : Laser Rangefinder D : Intertial Sensor

Last Answer : D : Intertial Sensor

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 work based on sound navigation ranging? A : Sonar B : Radar C : Intertial D : Biosensor

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

Last Answer : A : Sonar

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

The sensor that receive sound echoes without transmitting their own sound signals is called A : Active Sonar B : Passive Sonar C : Radar D : Laser Rangefinder

Description : The sensor that receive sound echoes without transmitting their own sound signals is called A : Active Sonar B : Passive Sonar C : Radar D : Laser Rangefinder

Last Answer : B : Passive Sonar

Which of the following sensor is not used to measure the distance? A : Radar B : Sonar C : Laser Rangefinder D : Intertial Sensor

Description : Which of the following sensor is not used to measure the distance? A : Radar B : Sonar C : Laser Rangefinder D : Intertial Sensor

Last Answer : D : Intertial Sensor

To measure heat of an object which of the following sensor is used? A : Sonar B : Radar C : Infrared D : Laser Rangefinder

Description : To measure heat of an object which of the following sensor is used? 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

The sensor that sends out sound pulses called pings, then receives thereturning sound echo is called A : Active Sonar B : Passive Sonar C : Radar D : Laser Rangefinder

Description : The sensor that sends out sound pulses called pings, then receives thereturning sound echo is called A : Active Sonar B : Passive Sonar C : Radar D : Laser Rangefinder

Last Answer : A : Active Sonar

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 sensor work based on sound navigation ranging? A : Sonar B : Radar C : Intertial D : Biosensor

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

Last Answer : A : Sonar

Which of the following sensor is not used to measure the distance? A : Radar B : Sonar C : Laser Rangefinder D : Intertial Sensor

Description : Which of the following sensor is not used to measure the distance? A : Radar B : Sonar C : Laser Rangefinder D : Intertial Sensor

Last Answer : D : Intertial Sensor

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 work based on sound navigation ranging? A : Sonar B : Radar C : Intertial D : Biosensor

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

Last Answer : A : Sonar

The sensor that sends out sound pulses called pings, then receives the returning sound echo is called A : Active Sonar B : Passive Sonar C : Radar D : Laser Rangefinder

Description : The sensor that sends out sound pulses called pings, then receives the returning sound echo is called A : Active Sonar B : Passive Sonar C : Radar D : Laser Rangefinder

Last Answer : A : Active Sonar

Radar is used for (a) Detecting objects by using light waves (b) Reflecting sound waves to detect objects (c) Determining the presence and location of objects with radio waves (d) Tracking rain-bearing clouds

Description : Radar is used for (a) Detecting objects by using light waves (b) Reflecting sound waves to detect objects (c) Determining the presence and location of objects with radio waves (d) Tracking rain-bearing clouds

Last Answer : Ans:(b)

What is Pulsar ?

Description : What is Pulsar ?

Last Answer : A pulsar is a highly magnetic rotating neutron star that emits high-intensity electromagnetic waves in a certain direction at a certain frequency. Since these electromagnetic waves can be observed as pulses, they are called "pulsars".

Pick up the correct statement from the following: (A) When water table is above the base of a footing, the dry weight m should be used for soil below water table (B) When water table is located somewhat below the base of a footing, the elastic wedge is partly of moist soil and partly of submerged soil, and a suitable reduction factor is used (C) When water table is just at the base of the footing, no reduction factor is used (D) None of these

Description : Pick up the correct statement from the following: (A) When water table is above the base of a footing, the dry weight m should be used for soil below water table (B) When water table is located ... water table is just at the base of the footing, no reduction factor is used (D) None of these

Last Answer : (B) When water table is located somewhat below the base of a footing, the elastic wedge is partly of moist soil and partly of submerged soil, and a suitable reduction factor is used

Choose the wrong statement (A) The center of buoyancy is located at the center of gravity of the displaced liquid (B) For stability of a submerged body, the center of gravity of body must lie directly below the center of buoyancy (C) If C.G. and center of buoyancy coincide, the submerged body must lie at neutral equilibrium for all positions (D) All floating bodies are stable

Description : Choose the wrong statement (A) The center of buoyancy is located at the center of gravity of the displaced liquid (B) For stability of a submerged body, the center of gravity of body must ... the submerged body must lie at neutral equilibrium for all positions (D) All floating bodies are stable

Last Answer : Answer: Option D

What is a quasar?

Description : What is a quasar?

Last Answer : A quasar is a compact, extremely luminous object that emits large amounts of energy, believed to be powered by supermassive black holes in the centers of galaxies, and is an important concept in astrophysics.

What is a quasar?

Description : What is a quasar?

Last Answer : A quasar is an extremely luminous and distant active galactic nucleus, believed to be powered by a supermassive black hole at its center, and is an important concept in astronomy and astrophysics.

What is a quasar?

Description : What is a quasar?

Last Answer : A quasar is an extremely luminous and distant active galactic nucleus, believed to be powered by a supermassive black hole at the center of a galaxy.