Cite at least two reasons for predicting that LEDs will emerge as more popular than CELs.

Q: How many electrons must be added to the soot particle ? Submit Answor electrons

A:

Q: What technique should be used to dope an impurity into a metal?

A: Doping is the purposeful introduction of impurities into an inherent semiconductor for the goal of…

Q: QI: How the Van Der Waals bonds arise between atoms?

A: Van Der Waals bond: It is a weak force of attraction between electrically neutral atoms which pass…

Q: Define valence band.

A: Valence band is the range of allowed energy values that are the highest energies an electron can…

Q: Give exople of Laser diy diengnostic methads for each Coming AMicrodiagnosis. B- Macro diaganosis

A: We have to give examples of LASER diagnostic method for following. a. Micro diagnosis. b. Macro…

Q: How with KJ/K 90. 90 45 4 Correc

A: GivenMass of water, m=0.2 kgPower of heater, P=5000 WLatent heat of vaporisation of water, L=2257…

Q: Which of the following elements would you predict to have properties most like those of silicon…

A: Germanium have properties most like silicon.With the reference of periodic table Germanium element…

Q: What is the most common application of zener diode?

A: A diode which designed to operate in break down region and have a negative voltage called zener…

Q: One amazing and useful fact about nature is that different elements and molecules each have a unique…

A: Introduction: Study of the different astronomical object is the fascinating approach towards the…

Q: 25 V 1 R 4.7 ΜΩ

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Q: Why are LEDs the lamp of choice in hard to get to places such as high ceilings?

A: as compared to other type of lamps, led lamps hace high durability with  long life periods.…

Q: How does fluorescence change as the semiconductor particles reach the nanoscale?

A: Introduction: Fluorescence is the effect where light is produced by the substance when it absorb the…

Q: How do ionic compounds appear to our eye?

A: Ionic compounds consist of oppositely charged ions that are held together by bond known as ionic…

Q: Laser ablation is an effective tool for probing micro areas of solid samples. How does it work?

A: The mechanism of laser ablation depends on physical properties of metals and environment medium.…

Q: The light can be passing through components with ionic bonds O False O True

A: The properties of ionic compounds shed some light on the nature of ionic bonds.ionic solid exhibit a…

Q: Rotation of Fluid Elements 4.86 PQ What is meant by rotation of a fluid element? Use a sketch to…

A: What is meant by roation of a fluid element. Use a sketch.

Q: Concerning the laser effect in tissue, vaporization occurs when the cell temperature reaches to * O…

A: The tissue heat up rapidly because of high absorption and high power of the laser.

Q: Most metals, like iron, are corroded easily, discuss why aluminum does not corrode even when exposed…

A: Most metals like iron, copper, even inert metals like silver do corrode when exposed to air for…

Q: What is the relation betwen iron and copper?

A: The chemical element iron has the symbol Fe and the atomic number 26. It is a metal that belongs to…

Q: Name the radiation which can be detected by a solution of silver chloride?

A:

Q: State the reason, why GaAs is most commonly used in making of a solar cell.

A: GaAs is Gallium Arsenide. It is a semiconductor material. GaAs is an alloy made up of Gallium and…

Q: Write note on light emitting diode?

A: We know that, A light-emitting diode is a device which is produced light.

Q: In characteristic curve of diode the ID (..........) with increases Temperture.

A: In a diode, when temperature is increased large number of covalent bonds will break down that will…

Q: When ultraviolet light falls on certain dyes, visible light is emitted. Why does this not happen…

A: Given: When ultraviolet light falls on certain dyes, visible light is emitted. Why does this not…

Q: Why is chromium so useful for decorative electroplating?

A: Electroplating: Electroplating in simple words is defined as the process of applying a coating of…

Q: This process produces NADPH. * Light Deaction

A: NADPH plays a crucial role in some of the chemical reactions that make up for the process of…

Q: Where is the region where a molecule causes its electronic transition? Plot its location in the…

A: The elements have valence electrons and it can undergo excitation. This can be called as electronic…

Q: Why do lasers have so many varied applications?

A: Why do lasers have so many varied applications.

Q: Discuss similarities and differences between an atom laser and an optical laser.

A: Optical lasers or conventional lasers generate coherent beams of light. For example, HeNe laser…

Q: how to calculate the wavelength, in meters, of electromagnetic radiation needed to remove an…

A: Electron can be removed from valence shell of an atom on application of electromagnetic radiation.…

Q: The LED is normally operated in O reverse breakdown. O reverse bias. forward bias. depends on light…

A: LED (Light Emitting Diode)     LED is heavily doped p-n junction diode which runs under forward bias…

Q: State Fleming's right hand rule?

A: Fleming’s right hand rule states that if thumb is giving the direction of motion of the conductor…

Q: Which type (analog or digital) is more likely to degrade as you make copies?

A:

Q: Depe Plot the Absorption Spectrum of Bromophenol Blue (Independent Variable vs Dependent Variable).…

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Q: A nondegenerate silicon sample at room temperature with a length of 2 cm is uniformly doped with…

A: nondegenerate silicon sample at room temperature with a length of 2 cm is uniformly doped with boron…

Q: The active element of a certain laser is made of a glass rod 30cm long and 1.5 cm in diameter.assume…

A: Length of the glass rod, Lo=30 cm=30×10-2 m Diameter of the tube, Do=1.5×10-2 m Therefore, radius…

Q: Chromium is BCC crystal structure and has atomic weight of 52.0 g/mol and density of 7.19…

A:

Q: Sketch the atomic structure of silicon and insert an impurity of arsenic as demonstrated for…

A: