Backscattered electron detection should be employed to detect different phases in a material. 0 True O Falco
Q: A Ale.35GA0.65AS/GaAs/Alo.35GA0.654s pn" DH LED made of very high quality semiconductors has a…
A: Given data: The voltage across LED is V=2 V The current injected at the biased voltage is I=66 mA…
Q: NOTE 9 PRO MAX D CAMERA why is the Phofonic devices are ? EX Considered direct semicondator
A: here we have to explain that photonic devices are considered direct semiconductors.
Q: S 3 Modeling of quantum phenomena.?
A: Quantum mechanical ideas can be applied to device modelling commonly called as modelling of quantum…
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Q: 3. A 6-stage photomultiplier tube has a dark current of 2 nA. The secondary emission ratio of each…
A: Given information: A 6- stage photomultiplier tube has a dark current of 2 nA. The secondary…
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Q: 1. Neutrons produced in a reactor are known as thermal neutrons because their kinetic 3 energies…
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Q: A simple Ge n-i-n photo-detector sample has a length of L= 30 um and a hole lifetime of Tp 0.4 us.…
A: Given : τp=0.4×10-6s V=2V L=30×10-6m μn=3900×10-4m2/V-s…
Q: A two-dimensional electron gas with a thickness of d is placed in a quantizing magnetic field.…
A: In a two-dimensional electron gas (2DEG) placed in a quantizing magnetic field, the energy levels…
Q: Which of the following opposes the potential barrier? (A)Forward bias (B)Reverse bias (C)Both 1 and…
A: The n-region has more free electrons whereas the p-region has holes in it. The electrons from the…
Q: Photons from a laser are being absorbed by a "conjugated system" molecule, which can simply be…
A: The given data are:
Q: atom initially in the ground level absorbs which excites it to the n=4 level. the wavelength and…
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Q: Q4/ Calculate the threshold pumping power in watts per cubic meter for a three-level pumping scheme…
A: Solution:- We know the pumpinνg power of a laser device is,…
Q: For the system shown, which are possible energies of emitted photons? There may be more than one…
A: The energy emitted depends on the jump of electron from one energy level to another. 4 to 3 160-90 =…
Q: When a photoconductor is exposed to light a. less current flows through it b.its resistance…
A: A photoconductor is a semiconductor device. It carries current when it is exposed to light.
Q: Describe a nanomaterial with one-dimensional electron confinement.
A: Solution
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Q: H.W Example(5):Find the longest wavelength present in the Balmer series of hydrogen ,corresponding…
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Q: aracter of light emitted from a nanocrystalline ith violet light will be altered as the size is…
A: As per guidelines, allowed to answer one question at a time. The light emitted by the…
Q: Give the values of n and I quantum numbers for the following (ex.n=1, I=0...) а. Зр b. 5d с. 7s d.…
A: The five different quantum numbers are given as, (a) 3p (b) 5d (c) 7s (d) 4f (e) 2s TO DETERMINE:…
Q: Q1: If the electron energy in 2d state is -3.41 eV, how much energy needed to rise the electron from…
A: Bohr's Theory of Hydrogen Atom Neil's Bohr put forward three postulates about the structure of the…
Q: 1. Which of the following combinations of quantum numbers can exist and which combinations cannot?…
A: A set of data containing quantum numbers.Find:Which combinations of quantum numbers are allowed or…
Q: If a semiconductor of Eg is 2eV, the maximum wavelength of photons that can be detected by a…
A: Given, A semiconductor of Eg is 2eV We have to find the maximum wavelength of photons that can be…
Q: A relatively long-lived excited state of an atom has a lifetime of 2.75 ms. What is the minimum…
A: Given Data: The lifetime of an atom is, ∆t=2.75 ms The expression for the Heisenberg uncertainty…
Q: A simple Ge n-i-n photo-detector sample has a length of L= 30 µm and a hole lifetime of Tp = 0.2 us.…
A: This question can be solved by applying the concept of optoelectronics.
Q: Q2 Consider a 4 mm × 2 mm x 1 mm sample, situated in a magnetic field 0.2 Wb/m² which superposed on…
A: Let VH be defined as the Hall voltage. Therefore, VH=RHBIt=RHBtneAvd…
Q: Assume that an Argon atom moves in one-dimension (along X-axis) inside a box of length Im and now we…
A: Given: The one-dimensional box length is L = 1 m The temperature of the argon atom is T = 1000 K The…
Q: Q.36/ For three different metals A, B, C photo-emission is observed one by one and maximum kinetic…
A: The graph between kinetic energy and frequency of incident light
Q: what is the final state of AD? 1 a. (\H)µ\V)d−|V)µ\H)d) b. (-HAVD+VAH)D) c. C. (H)AV) D+|V) AH)D)…
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Q: Session 19464797 multiple choice question The value of an emitted wavelength in the Balmer series is…
A: Given, Emitted wavelength in the Balmer series is λ=372.1 nm =372.1×10-9 m final energy level n'=2…
Q: For each of the following sets of quantum numbers, indicate the quantum number with an UNALLOWED…
A: 1. n = 3 So l have possible values from 0 to n-1 i.e 0 to 3-1 From 0 to 2 l = 0 ,1 , 2 We have…
Q: 7. A repetitively pulsed laser produces 47 mj per pulse. The pulse repetition time is 2.5 ms and the…
A: Given: The energy produced per pulse is E = 47 mJ The time period of the pulse repetition is T = 2.5…
Q: hydrogen atom initially in the ground level abso photon, which excites it to the n=4 lev il…
A: Wavelength can be defined as the distance between two successive crests or troughs of a wave. Here,…
Q: A relatively long-lived excited state of an atom has a lifetime of 2.75 ms. What is the minimum…
A: Given that:- Life time of an atom=2.75ms
Q: how much energy does it take to singly ionize it?
A:
Q: We known that the 808 nm and 655 nm diode laser are same durations and power but why are the effects…
A: Solution: The effects of these laser devices are different is characterized and defined as below:
Q: plz with reason 3- Dark current increases the sensitivity of the photodiode to light a. True b.…
A: Dark current referred as the small current flowing through the photosensitive devices when there is…
Q: An electron and a 0.022 0-kg bullet each have a velocity of magnitude 470 m/s, accurate to within…
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Q: 4- If there is no incident light on a photodiode, the reverse current is very small and is called a.…
A: In case of photodiode, a very small amount of current is produced when no light is incident on it.
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