Explain electron volt and its usage in submicroscopic process.

Q: Write applications of Zener diode in transistor circuitry.

A: Zener diode is designed to operate in breakdown region and has a negative voltage called the zener…

Q: Define photo electric effect

A: to explain : Photo electric effect

Q: How many valence electrons in each?  Isotopes: 28Si4- Protons_____ Neutrons_____ Electrons_____

A: Write the expression of neutron and proton. Mass number=Neutron+Proton Write the expression of…

Q: Describe a nanomaterial with one-dimensional electron confinement.

A: Solution

Q: 25 V 1 R 4.7 ΜΩ

A:

Q: Define LED(light emitting diode).

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Q: Why Powdered technique is popular in x-ray crystallography?

A: In X-ray crystallography, the structure of a material is studied with the aid of X-rays. When the…

Q: *In the medical x-ray, rotating anode used with Higher energy x-ray devices O Less energy x-ray…

A: There are two categories of X-ray anodes used. One is stationary and other is rotating. The…

Q: What is Zener diode?

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Q: State what most a particles being straight on suggests about the structure of the atoms in the metal

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Q: Fill in the following blanks with the suitable phrases: 1- Physically, coherence radiation is 2- The…

A: 1. Physically coherent radiation is not possible . 2 . The purpose of studying the B.B.R is that…

Q: Explain Faradays laws of electrolysis in details.

A: Electrolysis involves the reactions of giving and taking up of electrons. Naturally the amount or…

Q: how using the electron flow model affects using the right-hand rules.

A:

Q: Name five salient features of a stationary anode X-ray tube.

A: Answer: Salient features of stationary anode x-ray tube: (1) Poor heat loading, (2) Low powered…

Q: Write note on light emitting diode?

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

Q: Sketch the atomic structure of copper and discuss why it is a good conductor and how its structure…

A: Copper is good conductor due to presence of one electron at the outer shell so it conducts easily.…

Q: In the following figures, indicate which of the diodes are forward biased and which are reverse…

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Q: Drag the correct number of electrons to the atom model to represent a neutral atom 1. Hyd Electron…

A: The given element has 3 energy levels.

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: Explain how the colors in the flame tests are produced (in terms of electrons and energy states)…

A: 1. The variety of colors observed during the experiments of flame tests are caused by the excitement…

Q: how much charge is present in a container havinf 1 atom of hellium

A: SOlution:

Q: This is NOT graded.

A:

Q: Calculate the amount of time it would require for 1eV of energy to be absorbed by an atom in a metal…

A: Given,

Q: Calculate the net energy required to transfer an electron from Cs to At. (in eV

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Q: Determine whe ther each diode below is for Word oY reverse biased. lovell 3 Velt 8 Volt - d- -6.

A: WE can use basic circuit laws to solve this problem. We can assume it as silicon diode (0.7V)

Q: What is the meaning of each 4- Amplification Factor 5- Light Emitting Diode

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

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Q: Calculate Hall coefficient of Barium based on free electron model. BCC barium has side of cube 5.02…

A: The expression for the concentration of the electron,

Q: Difference between normal diode and zener diode

A: The Diode and Zener diode are different from each other with respect to their symbols, construction,…

Q: A tooster has a heating element of Nichrome. It is connected to a source of 240 V at Temperature 20…

A: Given Data : Voltage, V=240 V Initial current, Ii=2 A Final current, If =1.5 A Initial temperature,…

Q: Briefly explain the properties of X-ray. Explain the construction of stationary anode X-ray tube

A: X-Rays are a form of radiation which are highly energetic. The properties of X-rays are as follows:…

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

A:

Q: Define ionization energy. How would the ionization energy change when electron in hydrogen atom is…

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Q: Describe the essential components of a laser, and the principle behind its operation. Illustrate…

A: A laser generates visible or invisible light by using the principle of stimulated emission of light.…

Q: theoretical value of the specific heat of cadmium

A: Albert Einstein first proposed the concept of theoretical value of specific heat. Theoretical…

Q: By using the Hund's rule, complete the electron configuration for the following atoms: a) Sodium…

A: Write the given atoms of this problem. sodium, oxygen.Na11=1S2, 2S2,2P6,3S1