V(x) = 1½ kx² + yx³ + ¼ 1½ бx² 4 Your energy should be expressed in terms of the parameters k, y, &, Planck's constant h (or h), and the reduced mass, μ.
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Use perturbation theory to calculate the first-order correction to the ground state energy of
an anharmonic oscillator whose potential energy is given by,
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- Calculate the wavelength of electrons accelerated through 1742 V. (electron mass m = 9.1 x 10-31 Kg, electronic charge e=1.6 x 10-19 C and the Planck constant h=6.6 x 10-34 Js) Round off the answer to 2 decimal places and write answers as power of 10.1.2. Calculate the frequency, wavelength and momentum of a (a) 10 eV, and (b) 10 MeV photon of energyFind Relative error for the find planck constant: h = (1.60217662 x 10^-19)(4.1628 10^-6 ±1.25718 10^-7)/(299792458)
- Calculate the standard uncertainty in z ifz=Xsinθusing the angle (45.00 ± 0.74) degreesand the value X = (23.60 ± 0.51)z = ___±___Calculate the effective mass m* of electron with the momentum k G/2 in a weak periodic potential U(x) = 2Uo cos(27x/a) for which the energy spectrum E(k) is given by Eq. (1.3.22) of Lect. 4. The mass m* is defined by the behavior of E(k) at k G/2: h?q? G G k « 2 E(k) = Em 2m** 2 Can m* be smaller or larger than the free electron mass?What is the uncertainty in the temperature difference, ΔT, between the two temperature T1 = (25.0 ± 0.5) oC and T2 = (30.0 ± 0.3) oC?
- I’m wondering if I can get some help with a previous asked question... the answer that was explained to me differs from the answer in my textbook. I just want to make sure I’m understanding how to do this properly...the answer in the book says 262 nT where the answer given by a Bartleby expert was 2.08x10^-9T. Would you mind looking this over to see what the discrepancy is? Thanks! I’ll attach a photo of the worked out solution... The question reads: A current path shaped as shown in the figure below (in photo) produces a magnetic field at P, the center of the arc. If the arc sub tends an angle of theta= 30degrees and the radius of the arc is .600m, what are the magnitude and direction of the field produced at P if the current is 3.A?07.1. Given the following values for P₁, P2, and 1₁AL₁, calculate AH₂: (a) P₁(0, 0, 2), P₂(4, 2, 0), 27a-A-m; (b) P, (0, 2, 0), P₂(4, 2, 3), 27a₂A-m; (c) P₁(1, 2, 3), P₂(-3,-1, 2), 27(-a, +a, +2a₂)µA-m.What is the absolute uncertainty of A + B?
- An atom of rhodium (Rh) has a diameter of about2.7 * 10-8 cm. (a) What is the radius of a rhodium atom inangstroms 1A° 2 and in meters (m)? (b) How many Rh atomswould have to be placed side by side to span a distance of6.0 mm? (c) If you assume that the Rh atom is a sphere, whatis the volume in m3 of a single atom?Lunar astronauts placed a series of cube reflectors on the Moon as part of an experiment to mea- sure the distance to the Moon with hyperaccuracy. Lasers were fired from an observatory in West Texas toward the Moon; they reflected off these cubes and returned to Earth. The time of arrival was measured by astronomers at the observatory. If the time for the round trip could be measured with an accuracy of 0.1 nanoseconds, what was the uncertainty in the measured distance to the Moon. Given that the semi-major axis of the Moon’s orbit is 3.84 x 108 km, what is the percent accuracy of these measurements?Suppose that Vsound = (32 ± 7) x 101 m/s and that we want to find the temperature in Kalvin by using the following formula: T = (50und)2. Find the value of the 20 Temperature in degree Celsius (°C) and his uncertainty. Thank you