Description : Which of the following are used for accurately measuring very small time intervals? (1) Pulsars (2) Quartz clocks (3) Atomic clocks (4) White dwarfs
Last Answer : (3) Atomic clocks Explanation: An atomic clock is a clock device that uses an electronic transition frequency in the microwave, optical, or ultraviolet region of the electromagnetic spectrum of ... the wave frequency of television broadcasts, and in global navigation satellite systems such as GPS.
Description : Which of the following are used for accurately measuring very small time intervals ? (1) Pulsars (2) Quartz clocks (3) Atomic clocks (4) White dwarfs
Last Answer : Atomic clocks
Description : The code based GPS receivers are generally used for: (A) Vehicle tracking (B) Land navigation (C) Trans movement (D) All of these
Last Answer : Answer: Option D
Description : How many times do the clocks overlap in 24 hours?
Last Answer : 23 times
Description : Which one of the following residual biases involves the GPS accuracy? (A) Satellite dependent biases due to uncertainty in the orbital parameters of the satellite (B) Receiver-dependent biases due to ... (C) Signal propagation biases due to the sphere and troposphere propagation (D) All the above
Description : What is the difference between a 1 day movement and a quartz movement cuckoo clock?
Last Answer : 1-day movement clocks only make sounds daily while quartz movement clocks constantly display the time on the timepiece itself.
Description : How do the atomic clocks work?
Last Answer : From the Ask a Scientist Physics Archive In a Cesium clock, you tune a microwave oscillator around until it has just the right frequency to excite particular electrons of a Cesium atom from one well- ... a second. Here is more detail from the U.S. Naval Observatory Welcome to the collective.
Description : The soft silvery metalic element which ionizes easily when heated or exposed to light and is present in atomic clocks is – (1) Cerium (2) Cesium (3) Calcium (4) Californium
Last Answer : (2) Cesium Explanation: 1967, based on Einstein defining the speed of light as the most constant dimension in the universe, the International System of Units isolated two specific wave counts ... cesium has lowest ionization energy and hence it can show photoelectric effect to the maximum extent.
Description : Very small time intervals are accurately measured by the------? A. Pabsars B. White dwarfs C. Atomic Clocks (Answer) D. None of these
Last Answer : C. Atomic Clocks (Answer)
Description : The soft silvery metalic element which ionizes easily when heated or exposed to light and is present in atomic clocks is : (1) Cerium (2) Cesium (3) Calcium (4) Califonrium
Last Answer : Cesium
Description : Of the following minerals, the one most resistant to both chemical and mechanical weathering is: w) calcite x) muscovite y) hornblende z) quartz
Last Answer : ANSWER: Z -- QUARTZ
Description : how do I set the time zone on an atomic clock?
Last Answer : Need Answer
Description : An atomic clock makes use of _________.
Last Answer : An atomic clock makes use of _________. (A) cesium-133 atom (B) cesium-132 atom (C) cesium-123 atom (D) cesium-131 atom
Description : Is the SkyScan 30731 Atomic LED Alarm Clock still available anywhere?
Last Answer : I was unable to find any online retailer who had that specific model (SkyScan 30731) in stock. I did a Google search as well as visiting several well-known online retailers (Amazon, Best Buy, eBay, buy.com, etc). There were some places that had other models in stock but not that one specifically
Description : Where can I obtain instructions for the operation of a Atomic clock?
Last Answer : http://www.lacrossetechnology.com/8117it/manual.pdf This has the instructions for your atomic clock.
Description : Is the La Crosse Wall Clock atomic?
Last Answer : The La Crosse WT-3143A Analog Wall Clock is not atomic.
Description : Outdoor Atomic Clock?
Last Answer : form_title= Outdoor Atomic Clock form_header= Know the time, temperature and humidity all at once! What size do you want the clock?*= _ [50] What color and design do you want the clock?*= _ [50] Are you replacing an old atomic clock?*= () Yes () No
Description : An atomic clock is based on transitions in - (1) Sodium (2) Caesium (3) Magnesium (4) Aluminium
Last Answer : (2) Caesium Explanation: An atomic clock is a clock device that uses an electronic transition frequency in the microwave, optical, or ultraviolet region of the electromagnetic spectrum of atoms ... the wave frequency of television broadcasts, and in global navigation satellite systems such as GPS.
Description : Atomic clock transitions depends upon the –
Description : An atomic clock is based on transitions in (1) Sodium (2) Caesium (3) Magnesium (4) Aluminium
Last Answer : Caesium
Description : The specific gravity of quartz, is (A) 2.65 (B) 2.72 (C) 2.85 (D) 2.90
Last Answer : (A) 2.65
Description : Granite mainly composed of quartz and feldspar particles, is obtained from (A) Sedimentary rocks (B) Metamorphic rocks (C) Igneous rocks (D) All the above
Last Answer : Answer: Option C
Description : If the ore impurities is (A) Clay, lime stone is used as flux (B) Lime stone, clay is used as flux (C) Quartz, lime stone and argillaceous iron ores are used as flux (D) All the above
Description : The softest rock is (A) Marble (B) Diamond (C) Talc (D) Quartz
Description : Pick up the polymineralic rock from the following: (A) Quartz sand (B) Pure gypsum (C) Magnesite (D) Granite
Description : The hardest rock is (A) Marble (B) Diamond (C) Talc (D) Quartz
Last Answer : Answer: Option B
Description : Which of the following is a mineral? (A) Basalt (B) Granite (C) Quartz (D) Syenite
Description : Based on the following rocks and minerals, select the correct statement, quartz, shale, basalt, granite, marble, gypsum, mica (A) Basalt and marble are the only metamorphic rocks (B) There is no sedimentary rock (C) Granite is the only igneous rock (D) Quartz and mica are minerals
Description : Pick up the correct statement from the following: (A) The free quartz suddenly expands at a temperature lower than 600°C (B) The lime stone resists fire upto about 800°C and at higher temperature it splits into ... (C) The sand stone with silicates resist a fire in a better way (D) All the above
Description : Which one of the following is used for preparing porcelain? (A) Clay (B) Feldspar (C) Quartz (D) All of these
Description : Which of the following is a rock? (A) Quartz (B) Mica (C) Gypsum (D) None of these
Description : Pick up the correct statement about silt soil from the following: (A) The silt soil has particle size from 0.02 mm to 0.06 mm (B) In organic fine grained silt soil possesses no ... The least plastic type normally consists of more or less equidimensional grains of quartz (D) All the above
Description : The predominant constituent which is responsible for strength in granite is (A) Quartz (B) Felspar (C) Mica (D) None of the above
Last Answer : Answer: Option A
Description : Which is better to have, an electronic air filter or a mechanical one?
Last Answer : The electrical air filter works by inducing charge on the suspended particles in air , where as mechanical filter removes these particles by physically trapping them. Even the smallest of particle will ... highest efficiency, electronic ones tend to not catch as many particles as a mechanical one.
Description : What is a light pen? A) Mechanical Input device B) Optical input device C) Electronic input device D) Optical output device
Last Answer : Answer : B
Description : Which of the following have low failure rate? A) mechanical devices B) electronic devices C) electro-mechanical devices D) None of above
Description : Why ABC is considered electro-mechanical computer? A) Because it was invented before electronic computers were developed B) Because there are wheels, drums, bars to rotate and move to produce result C) Because they use the flow of electrons in different component D) None of above
Description : Which technology is more reliable? A) Mechanical B) Electro-Mechanical C) Electronic D) For reliability it does not matter. So all of above are reliable
Last Answer : Answer : C
Description : Which of the following statement is false? A) Mechanical analog computers have existed for thousands of years B) There are mechanical analog computers and electronic analog computers. C) All electronic computers are digital computers D) All of above are false
Description : Abacus was the first A) electronic computer B) mechanical computer C) electronic calculator D) mechanical calculator
Last Answer : Answer : D
Description : In electronic fuel injection, there is improvement in the _____________ efficiency due to comparatively less resistance in the intake manifolds which will cause less pressure losses. a) mechanical b) volumetric c) overall d) none of the mentioned
Last Answer : Answer: b Explanation: In electronic fuel injection, there is improvement only in the volumetric efficiency due to comparatively less resistance in the intake manifolds which will cause less pressure losses and no other efficiencies are hindered.
Description : When a solid-state component of an electronic circuit is mounted to a metallic mass, the general purpose of that mass is to ____________. A. prevent vibration damage to delicate components B. prevent ... damage to solid-state components C. dissipate stray magnetic currents D. act as a heat sink
Last Answer : Answer: D
Description : What is a light pen? a) A Mechanical Input device b) Optical input device c) Electronic input device d) Optical output device
Last Answer : b) Optical input device
Description : Embedded system is______ A. An electronic system B. A pure mechanical system C. An electro-mechanical system D. (A) or (C)
Last Answer : D. (A) or (C)
Description : What mechanical and electronic device has a name derived from a Czechoslovakian word meaning "work; compulsory service"?
Last Answer : ANSWER: ROBOT
Description : I would like to ask who repairs the receivers? My friend tells me that the computer, but can the computer also repair the computer when performing tasks?
Last Answer : He is definitely an experienced educator in repair. Computer b was able to fix the tests. However, if you need to design a solution, the computer will not be able to do it.
Description : What does the receivers attendant tell Jonas about the locks?
Last Answer : Need answer
Description : In the book the giver Why does Jonas not understand the Receiver's comparison involving a sled?
Last Answer : im trying to find this answer bbro
Description : What are the top rated stereo receivers?
Last Answer : sony is always in the top ten list but if you are looking for the top of the tops i would go for denon they are great.