Physics question and answers for July 20, 2023
- Q Three equal charges of magnitude q=286.3 micro C, but of thesame sign, are located at the corners of an equilateral triangle.The charge Q that must be placed at the geometric...
- Q a) Explain that in a one-dimensional system, although a systemwith an even number of electrons per primitive unit cell isinsulator, this does not apply to three-dimensional systems.b) How the electron...
- Q Solve the quantum harmonic oscillator problem by using thematrix method.
- Q Two planes which are doubly inclined at angles ∠????to the horizontal meet in a ridge.Particles of masses 4?? ??? 3?? rest one on each plane respectivelyand are connectedby a...
- Q Give a brief account ofa. [5 marks] Rayleigh scattering,b.[5 marks] the photoelectric effect,c. [5 marks] the Compton effect andd. [5 marks] pair/triplet production.For each of them, describe the phenomenon, account...
- Q 9.Derive Kepler’s 3rd Law?.
- Q At amusement parks, there is a popular ride where the floor of arotating cylindrical room falls away, leaving the backs of theriders \"plastered\" against the wall. Suppose the radius of...
- Q An object of mass m=4.00 kg is acted on by a 2-D force of theform: F=C(x^2y^2,xy^3), where the coordinates are given in metersand the constant C=62.4 N/m^4.a.) calculate the work...
- Q What are (a) the x component, (b) the y component, and (c) the zcomponent of r Overscript right-arrow EndScripts equals aOverscript right-arrow EndScripts minus b Overscript right-arrowEndScripts plus c Overscript...
- Q (Astronomy) Question 7 a. Mars has no Plate Tectonics today.Does it have volcanic island chains? What is the tallest volcano onMars, and what is its name? How does it compare...
- Q I have the answers listed I just want to know if someone couldshow me the work step by step!Q1. A ball of mass 60 g is dropped from a height...
- Q A Li- (Lithium ion) placed at the location <1.0, -0.4,-0.9> m experiences a force of <0, 2.88e-14, 1.53e-14>Ndue to a charge Q located at <1.0, 0.35, -0.5> m. What is...
- Q At one point in a pipeline the water's speed is 3.00 m/s and thegauge pressure is 5.00××1044 Pa.Find the gauge pressure at a second point in the line, 11.0 mlower...
- Q Optimization of a cylinder container with a height of 4 inchesand a radius of 1.25 inches in terms of either volume OR surfacearea.Please provide:(A) Calculation of surface area/volume of the...
- Q In the figure, a uniform, upward-pointing electric field E ofmagnitude 4.50
- Q A model rocket is fired from the ground in a parabolic arc. Atthe very top of the arc, at a horizontal displacement of 260 m fromthe launch point, an explosion...
- Q The activity of a radioactive sample is the number of decays perminute that occur in the sample. We measured this by detecting theradiation entering the Geiger tube window. Explain why...
- Q (a) Calculate the approximate number of protons in an Africanmale elephant of weight 5,000 kg.(b) Calculate the total negative electric charges in all theelectrons in this African elephant (in unit...
- Q How do you describe the ray pattern of light?What is the value of the speed of light in a vacuum and in any medium?How is the law of reflection expressed...
- Q Light has many interesting properties. For example,light has reflection which can be understand by the image of anobject in a mirror. Can you write down 5 other properties? Explaineach property...
- Q a) In double-slit interference experiment, path difference Δ = dsin θ. Use ray diagram and words to explain why bright spotslocated at where Δ = mλ and dark spots located...
- Q Derive the Boltzmann distribution from first principles(maximizing weight). Why is the Boltzmann distribution soimportant, explain what it is and how it is used.
- Q A statistical system is composed of N particles with spin 1 2 ,immersed in a magnetic field H. The particles are fixed in theirpositions and possess a magnetic moment µ....
- Q On a frictionless horizontal air table, puck A (with mass 0.253kg) is moving toward puck B (with mass 0.374 kg) which is initiallyat rest. After the collision, puck A has...
- Q An atom of beryllium (m = 8.00 u) splits into two atomsof helium (m = 4.00 u) with the release of 92.2 keV ofenergy. Suppose the beryllium atom moved in...
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