Consider a triangular potential well with Vo → ∞ for x<0, and V(x) = Fx for x>0, with F = 0.025eV nm-¹. Using the analytical solutions (Airy functions) calculate the two lowest energy levels in the quantum well (use an effective mass appropriate to GaAs electrons, m = 0.067mo).
Q: A clinical technician finds that the activity of a sodium-24 sample is 136 cpm. What will be the…
A:
Q: 5a R: = 102 R2 (25v (75v) V = R2 =
A: Given data: Battery voltage (V) = 75 V V2 = 25 V R1 = 10 Ω current (I) = 5A
Q: For the 5th line (step), you put 676 MeV. Is that the number you converted too?
A:
Q: Calculate the hydrogen ions and electron densities in the 109 Hz plasma fraction.
A: The plasma frequency γp = e2 neε0 me1/22π which reduces to the form γp = 9 x 10 3 ne , where…
Q: Need help with nukber 56 asap
A:
Q: By READING the N vs t graph shown below, determine No & the half-life. No = half-life =
A: We know No is the initial number of atoms present at t = 0 . Half life is the time passed when…
Q: Assume a certain five cent coon is made if pure nickel and has a mass of 4.95 grams. the atomic mass…
A: mass of coin = 4.95 grams The atomic mass of nickel is 58.7 u.let -q be the charge of removed…
Q: a bone containing 30g of carbon emits beta-particles from carbon-14 at 5 decay/sec if the decay for…
A: Carbon dating is an analytical method to find the age of a specimen. The method is based upon the…
Q: A projectile of mass m moves to the right with a speed v; (see figure below). The projectile strikes…
A: Given: mass of projectile m velocity of projectile vi Mass of rod =M , length = d moment of inertia…
Q: 100 hydrogen nuclei are in magnetic field B = 1 T. Find the magnetization of this ensemble if the…
A: Given: The number of hydrogen nuclei is N = 100 The volume of the ensemble is V = 10-27 m3 The…
Q: The percentage of spontaneous emission to stimulated emission for v= 102 Hz and 27°C in equilibrium…
A: The ratio of spontaneous to stimulated emission is given by R=ehνkT-1 Here, it is given that ν=1012…
Q: VBE = 0.7V, B=hfe = 100, determine Av = Vo/Vi 24V 3kQ 100KQ Vi 1µF Vo 1µF 1kQ
A: To Find:- Voltage gain,AV==VoVi Given, VCC=24VVBE=0.7Vβ=100R1=100kΩR2=10kΩRB=50kΩRC=3kΩRE=1kΩ
Q: In an electron microscope, in first step electron beam is accelerated at 2000 V and captured the…
A: The wavelength of the incident electron beam is found by : λ=h2mqVHere, h is planck's constant.…
Q: By using Beta function, the integral tan(0) d0 is equal to
A: The beta function has the following identity
Q: hen γ is 1.27, what is β?
A: The expression of the γ is given by γ = 11- v2c2here β = vc γ…
Q: polanium-215 has a half-life of 0.0018 seconds. What is its mean lifetime?
A: The half-life time of the polonium-215 is given as,
Q: R = 50 R2 = 32 20v R3 = 20 RT = IT = V1 = V2 . V3 = -
A:
Q: САРАСITANCE VOLTAGE STORED STORED CHARGE ENERGY U ТОTAL TОTAL С131x10-13 F V1=0.789 V C2= 2x10-13 F…
A: Formula for charge for a capacitor is, Q=CV .................1 Formula for energy of…
Q: 1.8) Find the neutron separation energy of ¹0.
A: Nucleons inside a nucleus are bound together by the strong nuclear force. The amount of energy that…
Q: 3.2 The density of the b.c.c. molybdenum is 10.2 g.cm3, and its atomic weight is 95.94. Calculate:…
A:
Q: A solid sphere of mass m and radius r rolls without slipping (v=rw) along the track shown in the…
A: Given: Moment of inertia of marble I=25mr2 Rolling without slipping v=rω ω=vr Height…
Q: The most common kind of element nucleus has A = 62. What is the approximate…
A: The radius of the nucleus of an element is directly proportional to the third root of Mass number(A)…
Q: A radioactive sample with 500 g of radioactive material decayed into 150 g in 15 days. Calculate the…
A: Radioactive decay is the process by which an unstable nucleus becomes stable. The half-life for a…
Q: d=20° S-120m 6, CC 40 Bex mirer live Cotated) mirror line Curotated) Prove: B = 22
A: To prove : β = 2* α Using the relationship already mentioned in the question, θi +θr+ x = β - x…
Q: Problem 4: The puck in the figure above on the left has a mass of 0.120 kg. The distance of the puck…
A: The puck of mass 0.12 kg is initially moving in a 0.4 m radius circle with a linear velocity of 0.8…
Q: What is the relationship between p and m?
A: P is linear momentum in the standard notation. m is the mass of the body. Mass restricts the speed…
Q: How many particles are present in a closed container if the energy it contains is 97422.36 J and the…
A: Given that, Velocity of oxygen molecule is v = 40.71 m/s Energy, E = 97422.36 J Mass of oxygen…
Q: 1.3H Protons_____ Neutrons_____ Electrons_____
A:
Q: The figures below show blue PE curves and tan E lines for four identical particles. Which particle…
A:
Q: A neutron weighs 1.675E-27kg. If it has an energy of 0.0025 eV, what is it's velocity?
A: Given: Let us consider the neutron weighs 1.675×10-27kg. Determine the velocity when it has an…
Q: D. Explain two types of degradation that could happen in the heat exchanger and discuss how to…
A: Given:- (D) Type 1: Oxidation occurs when hot fluid comes…
Q: Find the momentum of a 10.0-MeV gamma-ray.
A: As per the particle model of light, it is made of packets of energy called photons. Photons are…
Q: What temperature, in ∘C , is a blackbody whose emission spectrum peaks at 2.90 μm ?
A:
Q: A particle m slides on an alpha inclined surface Find the equations of motion m
A: According to Newton's second law, the acceleration of an object is due to the net force acting on…
Q: how much energy does it take to singly ionize it?
A:
Q: A proton of 2Mev losses all of its energy.calculate the number of ions produced?
A:
Q: An alpha particle looses all of its energy in a gas and produces 15000 ions pair.If energy needed to…
A: Since, alpha particle looses all of its energy to produce 15000 ions pair so, initial energy of…
Q: Find the binding energy (in MeV) for lithium 3Liº (atomic mass = 9.026789 u). Number i eTextbook and…
A:
Q: Oil and coal generally contain no measurable 14C. What does this tell us about how long they have…
A: Radioactivity. The half-life 14 C can be , mt=100e-0.000121t m(t) is the mass with respect to time,…
Q: To say whether an atom is an isotope of an element, the number of protons and electrons must be…
A: Required : The correct option.
Q: In the Millikan oil drop experiment tiny charged oil droplets generated by a spray are allowed to…
A:
Q: Q. No. 2: How can you differentiate Ionization, proportional and G.M counter? Please support answer…
A: The difference between Ionization counter, proportional counter and Geiger Muller Counter These all…
Q: Derive a relation for Joule – Thomson coefficient for a gas whose equation of state is а (P+2) V =…
A: Joule-Thomson coefficient (μJT) be defined as, μJT=TCP∂V∂TP-V ............1
E1=164.4 meV
Show all equations and values used
Trending now
This is a popular solution!
Step by step
Solved in 3 steps with 16 images