(b)Calculate the energy and momentum of a photon of a laser beam of wavelength 6328 A0 (c)What is population inversion? Explain why laser action cannot occur without population inversion between atomic levels?
Q: There are 2 kinds of electric charge: positive and negative. What are 2 examples of how we make use ...
A: There are many examples where we use the use of charge particles. Out of those two main and most imp...
Q: Apply the special theory of relativity to prove that the time interval t in the moving reference fra...
A: We will be using a thought experiment to derive the time dilation equation. First consider a station...
Q: Two identical brass balls mounted on wooden posts initially have different amounts of charge: one -1...
A: Concept used: Identical materials brought together have equal charge distribution. Law of conservati...
Q: 2.) The diagram below shows a proton moving through an external magnetic field at a particular insta...
A: Solution: a) The proton experience the magnetic force, the magnitude of the magnetic force experienc...
Q: Nitrogen with a mass of 2.5 kg expands at a constant pressure. Theinitial pressure and temperature i...
A:
Q: The dielectric constants shown are κ1 = 1.0, κ2 = 2.0, κ3 = 3.0. The area of each plate is A = 0.20 ...
A: Given, k1=1.0k2=2.0k3=3.0 Area of each plate, A=0.20m2 Distance between plates, d=1×103m Dielectric ...
Q: Refer to the figure and calculate the current through the R2 resistor for the following resistance v...
A:
Q: Find a unit vector normal to the surface xy? + xz = 1 at the point (–1, 1, 1).
A: Given surface-xy2+xz=1P=(-,1,1)
Q: You are trying to decorate your home with a water fountain, and you are looking for a water pump. No...
A: Given Volume (v) = 3600 litre Time (t) = 1 hour Kinetic energy (K) = 5...
Q: A block of mass m moving with speed v compresses aspring through a distancex before its speed is hal...
A: A block of mass m moving with speed v compresses a spring through a distance x before its speed is h...
Q: need answer urgent
A: Given that,Emf of the battery, E=12 VMaximum current draw from the battery= IInternal resistance of ...
Q: Proj1:- Design MCU based system to control the illumination intensity of a LED, where this intensity...
A: The major goal of the MCU system for the automatic light intensity controller of the external light ...
Q: As seen in Figure-2, the potential on an infinitely wide conductor plane measured. A point load of -...
A:
Q: I need help with part a and b of this question! Thanks! For an independent study project, you design...
A:
Q: =-7 cos(2t + 40°) = 4 sin(10f + 10°) J = 7/220°, (b) I = 4/
A: Given: To find the transform of the sinusoids to the phasors as,
Q: 5.) A closely wound rectangular coil of 80 turns has dimensions of 25.0 cm by 40.0 cm. The plane of ...
A:
Q: Q1- Design a boost converter that will be able to run a brushless DC motor. Choose any DC molor and ...
A: BLDC- Brushless DC Electric Motors are electric motors that are powered by a direct current voltage ...
Q:
A: We have, n=2 , l=1 , ml=1,0,-1 l=0 , ml=0 energy eigen state, 2,1,1> , 2,1,...
Q: How do I do this question?
A: Damping forces arise due to friction, viscosity, air drag, etc., and act in opposition to the motion...
Q: The observation that when certain wavelengths of light strike a piece of metal, electrons are emitte...
A: Photoelectric effect: When a certain wavelength of light strikes a piece of metal, electrons are eje...
Q: What are the dangers of depending solely on science?
A: Definition: Science, is by definition the study of nature and facts. We observe things and learn.
Q: A camera lens used for taking close-up photographs has a focal length of 25.0 mm. The farthest it ca...
A: Given: The focal length of the camera lens is f = 25 mm The image distance is v = 30 mm
Q: 5.) An electron moves horizontally to the right with speed v and enters a uniform vertical electric ...
A: given, Speed=v Charge, q=e The electric force, F=eE0 The magnetic force due to the magnetic field b...
Q: B4
A: Concept used: Plagiarism is the concept of copying content from original work.
Q: Part B: Messier 87 (M87) You might remember the first *real* image of a supermassive black hole that...
A: Given, Mass of M87, M= sun of mass ×6×109kg M=2×1030×6×109kg M=12×1039kg a. The Schwarzschild radius...
Q: Magnetic flux is the measure of the magnetic field that passes through an area of space or an object...
A: Magnetic flux represent the total number of field lines of magnetic field which passes through a sur...
Q: A small stone with a mass of 100g is attached to a string 50 cm long. set to rotate in a vertical ci...
A: Solution: a). The free body of the system is shown in the figure below: The forces acting on the st...
Q: The normalized wavefunction of an electron in a linear accelerator is ψ = (cos χ)eikx + (sin χ)e–ikx...
A: Solution: The wavefunction takes on the form ofΨ = cos(X) eikx + sin(X) e–ikxthe square of the coeff...
Q:
A: Given data, Angle of reflection = 14.1o hkl plane = (111)
Q: Proj1:-Design MCU based system to control the illumination intensity of a LED, where this intensity ...
A: Given: To design the MCU based system with the given conditions as, As per rule, allowed to answer...
Q: 1.) When a particle moves under the influence of a magnetic field, the speed of the particle remains...
A: If the magnetic field is perpendicular to the moving particle speed and the magnetic force is acting...
Q: The gas is compressed from an initial state of 0.35 m and 105 kPa to a final state of 0.14 m and to ...
A: The gas is compressed from an initial state of 0.35 m3 and 105 kPa to a final state of 0.14 m3 and t...
Q: The potential energy of a conservative force is U(x) = ax?-bx", with a and b positive constant param...
A:
Q: Proj1:-Design MCU based system to control the illumination intensity of a LED, where this intensity ...
A: Given: To design the MCU based system with the given conditions as, As per rule, allowed to answer...
Q: A radio can tune in to any station in the 7.5 MHz to 12 MHz band. What is the corresponding waveleng...
A: Given that, A radio can tune to minimum frequency, v1=7.5 MHz ...
Q: The wavelength of maximum emitted energy of a body at 700 K is 4.08 μm . If the temperature of the ...
A: Here, The wavelength of maximum emitted energy of a body at 700 K is 4.08 μm. If the temperature of ...
Q: The arterioles (small arteries) leading to an organ, constrict in order to decrease flow tothe organ...
A: The following data are given: Blood flow, Qn=1.00%×Qo where, Qn=New Blood FlowQo=Original B...
Q: Steam at 500 kPa having a quality of 0.9 expands adiabatically and reversibly to a final pressure of...
A: Given Data : p1=500 kPa=5 bar, x1=0.9 , p2=100 kPa=1 bar Expression ...
Q: If electrons flow very slowly through a circuit, why doesn't it take a noticeably long time for a la...
A: It is true that electron flow slowly in wires but there is not a single electron in wire, there exis...
Q: B1
A: Yes a circular polarization matrix can be formed from a linear polarization. The initial polarizatio...
Q: What is a rigid body?
A: A body is considered a point body when it travels a distance more than that of its size.
Q: Q2 (a) Based on the straight current-carrying filamentary conductor of length AB as can be viewed in...
A: (a) Given: OA=OB=1m, I=8A Refer to the figure below :
Q: A set of point charges is held in place at the vertices of an equilateral triangle of side 16.0 cm, ...
A:
Q: calculate the heat capacity of an Einstein solid in the low-temperature limit. Sketch the predicted ...
A: Solution:
Q: The ruins of the Chernobyl reactor are enclosed in a huge concrete structure built around it after t...
A: Nuclear power plants work on nuclear fission, in this the nucleus of the radioactive substance split...
Q: How do I do this question?
A: The work done in while moving from point a to point b At point A the temperature is Ta=1200 K, Pa=6...
Q: Evaluate A. dr from the point P(0, 0, 0) to Q(1, 1, 1) along the curve r = ît + jt² + kr³ with x = t...
A: To find-∫cA.dr from point P(0,0,0) to Q(1,1,1)Along the curve r=i^t+j^t2+k^r3with x=t, y=t2, z=t3...
Q: How much heat (in J) is needed to raise the temperature of 7 kg of copper from 32°C to 820°C?
A:
Q: he intensity level produced by a jet airplane at a certain location is 170 dB. (a) Calculate the int...
A: Solution: a) We know that, Intensity level I (dB)=10 log II0 Where, I0=10-12 W/m2 I(dB)=170 dB T...
Q: An object is placed in 5 cm in front of a lens, producing an image that is upright and 3 times large...
A: Given, m = +3 u = - 5 cm
(b)Calculate the energy and momentum of a photon of a laser beam of wavelength 6328 A0
(c)What is population inversion? Explain why laser action cannot occur without population
inversion between atomic levels?
Step by step
Solved in 2 steps with 1 images
