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

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
by

1 Answer

Answer :

Ans:(b)  
by
selected

Related questions

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

What is the technique of detecting the position of objects by producing very high frequency sound waves and listening to the echos?

Description : What is the technique of detecting the position of objects by producing very high frequency sound waves and listening to the echos?

Last Answer : ANSWER: SONAR  

Radar transmits short pulses of high frequency called A. Infrared waves B. Radio waves C. Ultraviolet waves D. Sound waves

Description : Radar transmits short pulses of high frequency called A. Infrared waves B. Radio waves C. Ultraviolet waves D. Sound waves

Last Answer : ANSWER: B

Radar transmits short pulses of high frequency called A. Infrared waves B. Radio waves C. Ultraviolet waves D. Sound waves

Description : Radar transmits short pulses of high frequency called A. Infrared waves B. Radio waves C. Ultraviolet waves D. Sound waves

Last Answer : ANSWER: B

Radar transmits short pulses of high frequency called A. Infrared waves B. Radio waves C. Ultraviolet waves D. Sound waves

Description : Radar transmits short pulses of high frequency called A. Infrared waves B. Radio waves C. Ultraviolet waves D. Sound waves

Last Answer : ANSWER: B

Radar transmits short pulses of high frequency called A. Infrared waves B. Radio waves C. Ultraviolet waves D. Sound waves

Description : Radar transmits short pulses of high frequency called A. Infrared waves B. Radio waves C. Ultraviolet waves D. Sound waves

Last Answer : ANSWER: B

Which of the following waves can penetrate through clouds?  ultrasonic  gamma  radar  visible and infrared

Description : Which of the following waves can penetrate through clouds?  ultrasonic  gamma  radar  visible and infrared

Last Answer : radar

Which waves can penetrate through clouds  A. ultrasonic  B.gamma  C.radar  D.visible and infrared

Description : Which waves can penetrate through clouds  A. ultrasonic  B.gamma  C.radar  D.visible and infrared

Last Answer : C.radar

Which of the following waves can penetrate through clouds?  ultrasonic  gamma  radar  visible and infrared

Description : Which of the following waves can penetrate through clouds?  ultrasonic  gamma  radar  visible and infrared

Last Answer : radar

Ozone layer in the outer atmosphere helps us in – (1) reflecting radio waves and makes radio communication possible (2) regulating he temperature of atmosphere (3) absorbing cosmic ray particles (4) absorbing U-V radiations

Description : Ozone layer in the outer atmosphere helps us in – (1) reflecting radio waves and makes radio communication possible (2) regulating he temperature of atmosphere (3) absorbing cosmic ray particles (4) absorbing U-V radiations

Last Answer : (4) absorbing U-V radiations Explanation: The ozone layer is a layer in Earth's atmosphere containing relatively high concentrations of ozone (03) which absorbs 97- 99% of the Sun's medium-frequency ultraviolet light.

The atmospheric layer reflecting radio waves is called – (1) Ozonosphere (2) Ionosphere (3) Stratosphere (4) Mesosphere

Description : The atmospheric layer reflecting radio waves is called – (1) Ozonosphere (2) Ionosphere (3) Stratosphere (4) Mesosphere

Last Answer : (2) Ionosphere Explanation: The ionosphere is a part of the upper atmosphere, from about 85 km to 600 km altitude, comprising portions of the mesosphere, thermosphere and exosphere, ... importance because, among other functions, it influences radio propagation to distant places on the Earth.

Ozone layer in the outer atmosphere helps us in (1) reflecting radio waves and makes radio communication possible (2) regulating the temperature of atmosphere (3) absorbing cosmic ray particles (4) absorbing U-V radiations

Description : Ozone layer in the outer atmosphere helps us in (1) reflecting radio waves and makes radio communication possible (2) regulating the temperature of atmosphere (3) absorbing cosmic ray particles (4) absorbing U-V radiations

Last Answer :  absorbing U-V radiations

The atmospheric layer reflecting radio waves is called (1) Ozonosphere (2) Ionosphere (3) Stratosphere (4) Mesosphere

Description : The atmospheric layer reflecting radio waves is called (1) Ozonosphere (2) Ionosphere (3) Stratosphere (4) Mesosphere 

Last Answer : Ionosphere

Rain bearing clouds look black because?

Description : Rain bearing clouds look black because?

Last Answer : all lights are scattered by them

The following statement(s) is/are true concerning newer detection methods of systemic infection. a. Enzyme-linked immunosorbent assay (ELISA) is a rapid immunologic assay used for both antigen and antibody detection b. Southern, northern, and western immunoblot techniques are used to detect DNA, RNA, or proteins, respectively c. Polymerase chain reaction (PCR) is a sensitive assay used to detect small amounts of microbial DNA, thus detecting infection at its early stages d. Infectious agents currently detected using advanced molecular techniques include cytomegalovirus (CMV) and human immunodeficiency virus (HIV)

Description : The following statement(s) is/are true concerning newer detection methods of systemic infection. a. Enzyme-linked immunosorbent assay (ELISA) is a rapid immunologic assay used for ... detected using advanced molecular techniques include cytomegalovirus (CMV) and human immunodeficiency virus (HIV)

Last Answer : Answer: a, b, c, d Although the classic detection of infection based on clinical signs of infection and bacterial culture remain the most common clinical tools, increasing ... including CMV and HIV. Furthermore, preliminary investigations into possible detection of fungal pathogens are underway

Are radio telescopes detect objects that optical telescopes cannot?

Description : Are radio telescopes detect objects that optical telescopes cannot?

Last Answer : Yes, that is correct.

Why normal rain is slightly acidic? A. due to presence of dust in air B. carbon dioxide and water in clouds react to form carbonic acid (Answer) C. Ozone depletion D. All of these

Description : Why normal rain is slightly acidic? A. due to presence of dust in air B. carbon dioxide and water in clouds react to form carbonic acid (Answer) C. Ozone depletion D. All of these

Last Answer : B. carbon dioxide and water in clouds react to form carbonic acid (Answer)

Pick out the wrong statement (A) The concentric atmosphere layer just above troposphere is called stratosphere, which is rich in ozone (B) Mesosphere is characterised by very low atmospheric pressure and low temperature (C) Troposphere is a dusty zone containing water vapor and clouds (D) The radio waves used in the long distance radio communication are reflected back to earth by stratosphere

Description : Pick out the wrong statement (A) The concentric atmosphere layer just above troposphere is called stratosphere, which is rich in ozone (B) Mesosphere is characterised by very low atmospheric ... radio waves used in the long distance radio communication are reflected back to earth by stratosphere

Last Answer : (D) The radio waves used in the long distance radio communication are reflected back to earth by stratosphere

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)

Bats detect the obstacles in their path by receiving the reflected ______. a) infrasonic waves c) ultrasonic waves b) electromagnetic waves d)radio waves

Description : Bats detect the obstacles in their path by receiving the reflected ______. a) infrasonic waves c) ultrasonic waves b) electromagnetic waves d)radio waves

Last Answer : c) ultrasonic waves

Touch screen is an electronic ……….. display that can detect the presence and location of a touch within the display area. -Technology

Description : Touch screen is an electronic ……….. display that can detect the presence and location of a touch within the display area. -Technology

Last Answer : Touch screen is an electronic visual display that can detect the presence and location of a touch within the display area.

The bats can fly in the dark because – (1) They can see the objects in darkness (2) They have weak legs and are likely to be attacked by predators (3) They generate flashes of light (4) They generate ultrasonic sound waves

Description : The bats can fly in the dark because – (1) They can see the objects in darkness (2) They have weak legs and are likely to be attacked by predators (3) They generate flashes of light (4) They generate ultrasonic sound waves

Last Answer : (3) They generate flashes of light

The bats can fly in the dark because – (1) They can see the objects in darkness (2) They have weak legs and are likely to be attacked by predators (3) They generate flashes of light (4) They generate ultrasonic sound waves

Description : The bats can fly in the dark because – (1) They can see the objects in darkness (2) They have weak legs and are likely to be attacked by predators (3) They generate flashes of light (4) They generate ultrasonic sound waves

Last Answer : (3) They generate flashes of light

The bats can fly in the dark because (1) they can see the objects in darkness (2) they have weak legs and are likely to be attacked by predators (3) they generate flashes of light (4) they generate ultrasonic sound waves

Description : The bats can fly in the dark because (1) they can see the objects in darkness (2) they have weak legs and are likely to be attacked by predators (3) they generate flashes of light (4) they generate ultrasonic sound waves

Last Answer : they generate ultrasonic sound waves

When planning the audit, if the auditor has no reason to believe that illegal acts exist, the auditor should a. Include audit procedures which have a strong probability of detecting illegal acts. b. Make inquiries of management regarding their policies and regarding their knowledge of violations, and then rely on normal audit procedures to detect errors, irregularities, and illegalities. c. Still include some audit procedures designed specifically to uncover illegalities. d. Ignore the topic

Description : When planning the audit, if the auditor has no reason to believe that illegal acts exist, the auditor should a. Include audit procedures which have a strong probability of detecting illegal ... c. Still include some audit procedures designed specifically to uncover illegalities. d. Ignore the topic

Last Answer : Make inquiries of management regarding their policies and regarding their knowledge of violations, and then rely on normal audit procedures to detect errors, irregularities, and illegalities

Which of the following statements is correct concerning the auditor's responsibility with respect to illegal acts? a. An auditor must design tests to detect both direct-effect and indirect-effect illegal acts. b. An auditor must design tests to detect both immaterial and material directeffect illegal acts. c. An auditor must design tests to obtain reasonable assurance of detecting material direct-effect illegal acts. d. An auditor must design tests to detect both material direct-effect and material indirect-effect illegal acts

Description : Which of the following statements is correct concerning the auditor's responsibility with respect to illegal acts? a. An auditor must design tests to detect both direct-effect and indirect- ... auditor must design tests to detect both material direct-effect and material indirect-effect illegal acts

Last Answer : An auditor must design tests to obtain reasonable assurance of detecting material direct-effect illegal acts.

Which of the following least likely limits the auditor’s ability to detect material misstatement? a. The inherent limitations of any accounting and internal control system. b. Most audit evidences are conclusive rather than being persuasive. c. Audit is based on testing d. Audit procedures that are effective in detecting ordinary misstatements are ineffective in detecting intentional misstatements

Description : Which of the following least likely limits the auditor's ability to detect material misstatement? a. The inherent limitations of any accounting and internal control system. b ... procedures that are effective in detecting ordinary misstatements are ineffective in detecting intentional misstatements

Last Answer : Most audit evidences are conclusive rather than being persuasive

When planning the audit, if the auditor has no reason to believe that illegal acts exist, the auditor should a. Make inquiries of management regarding their policies and their knowledge of violations, and then rely on normal audit procedures to detect errors, irregularities, and illegalities. b. Still include some audit procedures designed specifically to uncover illegalities. c. Ignore the topic. d. Include audit procedures which have a strong probability of detecting illegal acts

Description : When planning the audit, if the auditor has no reason to believe that illegal acts exist, the auditor should a. Make inquiries of management regarding their policies and their knowledge of ... Ignore the topic. d. Include audit procedures which have a strong probability of detecting illegal acts

Last Answer : Make inquiries of management regarding their policies and their knowledge of violations, and then rely on normal audit procedures to detect errors, irregularities, and illegalities

A pilot can improve the probability of detecting other aircrafts by: a. Minimizing the duration of eye rests and making as many eye movements as possible b. Moving the head frequently to alter the apparent motion of any distant object c. Maximizing the time spent looking in each sector to allow the maximum chance of detecting movement d. Maintaining as far as possible a lookout ahead of the aircraft and relying on peripheral vision to detect any movement from the side

Description : A pilot can improve the probability of detecting other aircrafts by: a. Minimizing the duration of eye rests and making as many eye movements as possible b. Moving the head frequently to ... lookout ahead of the aircraft and relying on peripheral vision to detect any movement from the side

Last Answer : a. Minimizing the duration of eye rests and making as many eye movements as possible

A pilot can improve the probability of detecting other aircrafts by: a. Minimizing the duration of eye rests and making as many eye movements as possible b. Moving the head frequently to alter the apparent motion of any distant object c. Maximizing the time spent looking in each sector to allow the maximum chance of detecting movement d. Maintaining as far as possible a lookout ahead of the aircraft and relying on peripheral vision to detect any movement from the side

Description : A pilot can improve the probability of detecting other aircrafts by: a. Minimizing the duration of eye rests and making as many eye movements as possible b. Moving the head frequently to ... a lookout ahead of the aircraft and relying on peripheral vision to detect any movement from the side

Last Answer : a. Minimizing the duration of eye rests and making as many eye movements as possible

There is a word. It has five letters. Its last three letters refer to a skill of creating objects. Its middle three letters refer to one of the parts found at either side of your head. Its first two letters signify a male. The first four letters of it is the ability to use its middle three letters to detect sound. Its whole is found in you. What word is it ? -Riddles

Description : There is a word. It has five letters. Its last three letters refer to a skill of creating objects. Its middle three letters refer to one of the parts found at either side of your head. Its first two ... its middle three letters to detect sound. Its whole is found in you. What word is it ? -Riddles

Last Answer : Heart.

The Ames test is an effective procedure for a. Identifying disease-causing bacterial species. b. Detecting potential human carcinogens. c. Determining if DNA replication has occurred. d. Detecting antibiotic resistance.

Description : The Ames test is an effective procedure for a. Identifying disease-causing bacterial species. b. Detecting potential human carcinogens. c. Determining if DNA replication has occurred. d. Detecting antibiotic resistance.

Last Answer : b. Detecting potential human carcinogens.

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

For sending sound waves at large distance, which waves are used? A. Infrared waves B. Radio waves C. Light waves D. X-waves

Description : For sending sound waves at large distance, which waves are used? A. Infrared waves B. Radio waves C. Light waves D. X-waves

Last Answer : ANSWER: B

For sending sound waves at large distance, which waves are used? A. Infrared waves B. Radio waves C. Light waves D. X-waves

Description : For sending sound waves at large distance, which waves are used? A. Infrared waves B. Radio waves C. Light waves D. X-waves

Last Answer : ANSWER: B

What determines the ability of radar to determine the bearing to a target? A. Speed of light B. Speed of target C. Antenna directivity D. Frequency of signal

Description : What determines the ability of radar to determine the bearing to a target? A. Speed of light B. Speed of target C. Antenna directivity D. Frequency of signal

Last Answer : C. Antenna directivity

Which of the following can be used to see through Venus's clouds? w) refracting telescopes x) radar y) x-rays z) ultraviolet

Description : Which of the following can be used to see through Venus's clouds? w) refracting telescopes x) radar y) x-rays z) ultraviolet

Last Answer : ANSWER: X -- RADAR

Routine A.C. motor maintenance should include periodic ______________. A. thermometer readings at normal loads to detect abnormal temperature rises B. inspection of the motor's internals for loose rotor bars or field poles C. bearing replacement each year using sealed units if available D. all of the above

Description : Routine A.C. motor maintenance should include periodic ______________. A. thermometer readings at normal loads to detect abnormal temperature rises B. inspection of the motor's internals for loose rotor bars ... C. bearing replacement each year using sealed units if available D. all of the above

Last Answer : Answer: A

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.

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 : sonar

Which radar detectors can detect laser speed traps as well as radar?

Description : Which radar detectors can detect laser speed traps as well as radar?

Last Answer : The Passport 8500 X50 can detect lasr and radar signals.

Can you detect all types of radar with a radar detector?

Description : Can you detect all types of radar with a radar detector?

Last Answer : You can detect most types of radar itself,but you need other detectors for other systems.

Describe the operation for pulsed radar to detect the object.

Description : Describe the operation for pulsed radar to detect the object.

Last Answer : The Block diagram of high power Pulsed RADAR set is shown in fig. Above. Trigger Source: It Provides pulses for the modulator. Pulse Modulator: This Modulator provides rectangular ... . Sync pulses are applied by the trigger source to the display devices or the display indicator. 

What width is the pulse radiated by fire-control tracking radar?

Description : What width is the pulse radiated by fire-control tracking radar?

Last Answer : Very narrow.

Tracking radar searches a small volume of space during which phase of operation?

Description : Tracking radar searches a small volume of space during which phase of operation?

Last Answer : Acquisition.

Fire-control tracking radar most often radiates what type of beam?

Description : Fire-control tracking radar most often radiates what type of beam?

Last Answer : A narrow circular beam.

What is it called when bats, whales, and dolphins emit sound waves and interpret the reflect sound waves as a means to locate objects?

Description : What is it called when bats, whales, and dolphins emit sound waves and interpret the reflect sound waves as a means to locate objects?

Last Answer : Sonar is a system that locates objects by transmitting sound waves and detecting the waves when they are reflected off of objects. Bats and many other animals, such as whales and dolphins, use natural sonar to navigate and capture

Remote sensing techniques make use of the properties of ___________ emitted, reflected or diffracted by the sensed objects: (A) Electric waves (B) Sound waves (C) Electromagnetic waves (D) Wind waves

Description : Remote sensing techniques make use of the properties of ___________ emitted, reflected or diffracted by the sensed objects: (A) Electric waves (B) Sound waves (C) Electromagnetic waves (D) Wind waves

Last Answer : Answer: Option C