Explain the working principle of laser photon emission by using the concepts “population inversion”, “stimulated emission” and corresponding energy-band diagrams.
Q: 10.13 Show that for a gas obeying the van der Waals equation (P+ a/v²) (v – b) = RT, with cy a funct...
A: Van der Waals equation of state is given by- P+an2V2V-nb=nRT .....(i)From thermodynamical relation...
Q: A 1 m long electrically conductive wire made of material X has electrical conductivity of 0.2x107(oh...
A: Solution: As per the given data, We know that, Electrical resistivity is given as: ρ=RAl ...
Q: The mechanics at Lincoln Automotive are reboring a 6-in. deep cylinder to fit a new piston. The mach...
A:
Q: Define the term Pressure?
A: The pressure is most common term used in all the fields of physics and engineering. It is defined as...
Q: A wave, propagating along the x direction according to Equation (x, t) = A sin(kx - vt + f) , has a ...
A: Given, yx,t=Asinkx-ωt+φandA=4.0 cmandφ=π2v=5.0 cm/sλ=7.0 cm
Q: A particle is in a box with infinitely rigid walls. The walls are at x = -L/2 and x = +L/2.Show that...
A: Schrodinger equation of motion is written as -h22md2ψdx2+vxψ=Eψvx=0, x = -L/2 and x = +L/2∞, otherwi...
Q: The magnitude of the moment produced by force F about segment AB of the pipe assembly is equal to. F...
A: Z-component will not contribute here
Q: 11: The 1.50 A current through a 4.00 mH inductor is switched off in 8.33 ms. What is the emf induce...
A: When the current i changes with time t, an emf is induced in it. From Faraday's law of electromagnet...
Q: 13:
A:
Q: Compute for the work done, in millijoules, in moving a 7-nC charge radially away from the center fro...
A: A positively charged non-conducting spherical shell is shown below;
Q: How much energy is transmitted to a cell during a day's treatment? Assume that the specific gravity ...
A: Given: The specific heat of tumor is ρt=1ρw. The specific heat of tumor is calculated as, ρt=1103 ...
Q: 1. Which of the following works for Superposition Theorem? a. If more than one source is present...
A: The Super Position theorem is applicable to linear networks consisting of independent sources.
Q: Question 63
A: Given data, At starting point, velocity = 0 s1 = 50 m s2 = 150 m s3 = 250 m s4 = 40 m s5 = 90 m s6 =...
Q: As a simple pendulum swings back and forth, the forces acting on the suspended object are (a) the gr...
A: Given: A simple pendulum is one which can be considered to be a point mass suspended from a string o...
Q: The four strings on a violin have different thicknesses, but are all under approximately the same te...
A: Now consider speed of sound on the violin string, v=Fμ where F is the force and μ is the mass densit...
Q: calculate the average momentum of a 50-kg runner if she can finish a 5-km run in 30 minutes
A: mass m = 50 kg distance d = 5 km= 5000m time talen t= 30 min= 30*60 = 1800 sec. average speed V = d/...
Q: An infinite line charge has constant charge-per-unit-length A. Surrounding the line charge is a cyli...
A: The electric field of a system that has some symmetry can be determined using Gauss's law. By Gauss'...
Q: The objects pictured below are submerged in a fluid (each of the blocks is fully submerged in the fl...
A: Given:
Q: Show that the two successive Lorentz transformations corresponding to speeds v, and vz are equivalen...
A: Solution: The first Lorentz transformation for space is given as Where and the frame is travelling...
Q: State whether each of the following musical instruments produces continuous or quantized musical not...
A: Acoustic guitar produces continuous musical notes. When the fingers touch the wire due to vibration ...
Q: How to control global warming and green house effects using thermodynamics principles? explain brief...
A: The first law may be a direct consequence of the law of the conservation of energy. The balance of e...
Q: Hi i am resubmitting my questions as you guys infromed me to. Thanks :) Figure 1 shows a capacitor ...
A: First put 2 capacitors in series then C1 = 680µF/2 = 340 µF
Q: R5 R1 V2 V3 V1 R4
A: Given: V1=10 V, V2=4 V, V3=9 V, R1=6 Ω, R2=10 Ω, R3=30 Ω, R4=4 Ω, R5=20 Ω Introduction: Kirchhoff's ...
Q: solve with converting to residu theoem
A: using residue theorem ∫f(z)dz =2πi∑1n Resf(z)c∫f(z)dz =2πiz↣z1 (z-z1)*f(z)+ z↣z2 (z-...
Q: When a sheet of plastic food wrap is placed between two crossed polarizers, no light is transmitted....
A: When a sheet of plastic is placed between the two crossed polarizers, no light will be Transmitted. ...
Q: Block C starts from rest and moves downward with a constant acceleration. Knowing that after 12 s th...
A: Solution: As per the given data,
Q: Question: A plane electromagnetic wave with frequency f = 205 kHz propagates in a vacuum in the posi...
A: Frequency of the EMW=205 kHz=205×103 Hz The maximum value of the Electric field, Emax=10.0 V/m The o...
Q: You are given a diffraction grating and you shine laser light with wavelength 500nm through it and p...
A: case 1 Wavelength of the Laser light, λ=500 nm=500×10-9 m Angle of diffraction, θ=70° order of the b...
Q: Assume a transparent rod of diameter d = 6.16 pm has an index of refraction of 1.40. Determine the m...
A: We can use Snell's law and total internal reflection.
Q: Selena has a fire in her fireplace to warm her 20ºC apartment. She realizes that she hasaccidentally...
A: NOTE: We’ll answer the first question since the exact one wasn’t specified. Please submit a new ques...
Q: Question S. (a): A Lasen Lasbes a 15k9 Cart destance of 25 meters a 65N brizantal fooce. The frictio...
A: Given: Mass of cart is m=15kg. Cart is pushed to a distance of d=25m. Horizontal force exerted is F=...
Q: Consider the three layers described below. All layers have the same density.a. We’re interested in t...
A:
Q: Electromagnetic Wave Theory - 2 parts in image.
A: (a). The space between the conductor is filled with dielectric. Even though space is filled with no...
Q: a 15L container holds 20g of neon gas at -10 °C what is the pressure in container
A: Answer: Given that: Volume of container = V = 15L Temperature = -10°C = 263.15 K Mass of neon gas = ...
Q: A large hall in a museum has a niche in one wall. On the floor plan, the niche appears as a semicirc...
A: Solution: As per the given data, The niche acts like a concave mirror of radius R=2.65 m then ob...
Q: 4 cm2the amount of charge inside a cylindrical wire of length L with resistivity ρ of cross-sectionI...
A: Given: The charge is q(t)=3t2-2t+4 To determine: (a) The amount of current The current is equal to ...
Q: A clock in a spaceship is observed to run at a speed of only 3/5 that of a similar clock at rest on ...
A: Given data T0T=35
Q: Consider the topic light-matter interaction. (a) Explain the concepts of absorption and (b) emission...
A: (a) Absorption:-An atom in a lower energy state 1 can rise to higher energy state 2 by absorbing a p...
Q: What is the energy required to transit 1 mol of electrons from n= 2 to infinity? (h= 6.63x10 34 J.s....
A: Given data: Initial state of electron ni=2. Final state of electron nf=∞. According to Bohr's post...
Q: Which has more total energy: a hydrogen atom with an electron in a high shell (large n) or in a low ...
A: Energy of an electron in hydrogen atom is given by, En=-13.6n2eV So from this equation it is clear t...
Q: What is the relationship between pressure drop and air density for a change in operating conditions?
A: The relation between pressure and density is expressed through equation of states for ideal gases.
Q: Two horizontal metal plates, each 100 mm square, are spaced 10.0 mm apart and stacked on top of one ...
A: Given: Area of each plate is 100mm2. Separation between the plates is 10.0mm. Electric field is 2000...
Q: 10:
A:
Q: 2. -iT de =2 e 121 2 2- ez
A: Given complex integration is :- I=∮z=2ez-iπ2z2-ezdz
Q: Based from the position time graph of walking person given below, decide which segment of the graph ...
A: Solution: We know that, The slope of the position versus time gives velocity. So, Positive the s...
Q: help
A:
Q: A process occurs in which a system's potential energy decreases while the system does work on the en...
A: The Work energy theorem tells us that WORK done by the system = CHange in total ENERGY So inceden...
Q: An unfortunate astronaut loses his grip during a spacewalk and finds himself floating away from the ...
A: Solution: Given values, m1 = mass of astronaut = 113 Kg m2 = mass of tool bag = 19 Kg u1 = u2 = 1.20...
Q: 3. A speaker is to be installed in front of the EIE large class which is 10m long. Given the accepta...
A:
Q: 15.2 It was shown in Example 14.11 (Section 14.5) that the electric field due to an infinite line of...
A: Given:- The charge enclosed by the cylinder is: Qin = ...
(b) Explain the working principle of laser photon emission by using the concepts “population inversion”, “stimulated emission” and corresponding energy-band diagrams.
Step by step
Solved in 2 steps with 3 images