Physics question and answers for August 19, 2023
- Q Solid-state physicsa, How many electrons are needed to fill all states in aband?b, What is the meaning of the Fermi energy?c, What is the Fermi surface of a metal?Please explain...
- Q derive the Jarzynski equality from the Crooks fluctuationtheorem (CFT) and the non-equilibrium partition identity.
- Q A particle of mass M moves along a straight line with initialspeed vi. A force of magnitude Fpushes the particle a distance Dalong the direction of its motion.A) Find vf,...
- Q A thin film having an index of refraction of 1.50 is surroundedby air. It is illuminated normally by white light. Analysis of thereflected light shows that the wavelengths 360, 450,...
- Q A wedge of mass M rests on a rough horizontal surface withcoefficient of friction µ. The face of the wedge is a smooth planeinclined at an angle θ to the...
- Q Derive an expression for the total number of stars betweenmasses M1 and M2, where M1 < M2.Can the Salpeter IMF extend to arbitrarily low mass stars?Justify your answer quantitativelyDerive an...
- Q Explain the physics meaning of material buckling and geometrybuckling.
- Q A violin string 20.0 cm long with mass 4.8 g and tension 48 N,fixed at both ends, oscillates in its n=2 mode. What is thewavelength in air of the sound...
- Q Relation among material buckling, geometry buckling andmultiplication factor.
- Q Errors are essential in physics Labs when measuringphysical quantities. Discuss the most important techniques that wemust follow in order to minimize such problems? Support your answerby example.
- Q The area enclosed by the wire loop in the figure below isreduced from 31 cm2 to 12 cm2 in a time interval of 0.11 s. Themagnitude of the magnetic field...
- Q (Aparticle that vibrates under the influence of a simple harmonicmotion) If the total energy is greater than the effort - solve theSchrödinger equation using polynomial Hermit
- Q Suppose a rocket-propelled motorcycle is fired from resthorizontally across a canyon 1.20 km wide.(a) What minimum constant acceleration in thex-direction must be provided by the engines so the cyclecrosses safely...
- Q Oxygen for hospital patients is kept in special tanks, where theoxygen has a pressure of 75.0 atm and a temperature of 280. K. Thetanks are stored in a separate room,...
- Q Helou from Croatia(Sorry for my bad english).I am having problems with fluid mechanichs.I wonder if maybe someone can help me with strategy of solvingthis type of tasks and maybe write...
- Q The ?? plane carries the surface free current density ?⃗⃗⃗=?0?̂. The free current is centered within an infinite slab oflinear material of permeability ?. The slab has a thickness 2...
- Q Write an essay on the use of electricity and magnetism in ourfuture transportation with relevant references. Go into detailelectricity magnetism 1500 words
- Q The star Phi Orionis, like the Sun, is powered by the fusion ofhydrogen to helium. The mass of Phi Orionis is Mφ = 18M. Theluminosity of Phi Orionis is Lφ...
- Q 2. If each of the following objects are rotating withthe same angular velocity, ?, which would be the hardest to stop?(i.e., require the largest amount of work).A hoop with mass...
- Q How does the Higgs mechanism causes the weak bosons to bemassive?
- Q What is Local Gauge Invariance and why is it a cornerstone ofthe Standard Model?
- Q 1- In your opinion, what is one of the motivations of learningQuantum Computing?Name one problem in which Quantum Computation excels (compared toclassical computation)?
- Q whats types of energies oscilaate back and forth in an ideal LCcircuit? why is this the case
- Q Consider a mass-spring system undergoing SHM. Which one of thefollowing statements is correct concerning the velocity of the massas a function of time?a)The velocity varies sinusoidally with timeb) the velocity...
- Q How SU (4) representation is calculated in Young'sTableaux?
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