An electron in freespace is described by a plane wave given by Ч (x, t)-A&(kx-at) where...
A wave is described by y 0.020 2 sin(kx wt), where k 2.18 rad/m, w 3.60 rad/s, x and y are in meters, and t is in seconds. (a) Determine the amplitude of the wave. m (b) Determine the wavelength of the wave (c) Determine the frequency of the wave. Hz (d) Determine the speed of the wave. m/s
6. A wave is described by y = 0.020 8 sin(kx - wt), where k = 2.22 rad/m, w = 3.66 rad/s, x and y are in meters, and t is in seconds. (a) Determine the amplitude of the wave. (b) Determine the wavelength of the wave. (c) Determine the frequency of the wave. (d) Determine the speed of the wave. 7. When a particular wire is vibrating with a frequency of 3.00 Hz, a transverse wave of wavelength 64.0 cm is produced. Determine the...
The magnetic field of an electromagnetic wave is described by By = B0cos(kx - ωt), where B0 = 3.5 × 10-6 T and ω = 2.5 × 107 rad/s. What is the amplitude of the corresponding electric field oscillations, E0, in terms of B0? What is the frequency of the electromagnetic wave, f, in terms of ω? What is the wavelength of the electromagnetic wave, λ, in terms of ω and the speed of light c?
A free electron has a wave function ψ(x)= Asin (5x1010 x) where x is measured in meters. Find the electron's de Broglie wavelength the electron's momentum a. b, 3. When an electron is confined in the semi-infinite square, its wave function will be in the form Asin kx for0<x<L ψ(x)- Ce for x> L having L = 5 nm and k = 1.7 / nm. a. Find the energy of the state. b. Write down the matching conditions that the...
Sketch the profile of the wave (x,t) = A sin(kx-t+), where the initial phase is given by each of the following: =0 , =/2 and 3. (20 points) Sketch the profile of the wave P(x,t) = A sin(kx-ot+E), where the initial phase is given by each of the following: E=0, E=1/2 and <=n.
A sound wave traveling through water can be described by the following wave function: (x, t) = A cos (kx - omega t + pi/3) A = 0.040 m k = 1.11 rad/m omega = 1646.195 rad/s rho_water = 1.0 times 10^3 kg/m^3 a) What is the wavelength of this wave? What is the period of this wave? b) What is the amplitude of this wave? What is the phase of the wave when t = 3.0 s and x...
An electron has mass me 9.1-10-31 kg. If the electron is accelerated through a potential of 100 volts it will have kinetic energy 100 eV, where 1 eV = 1.6-10-19 Joules. Note that 11-2, 1.05-10-34 Joule seconds. [2 points] a. what is the frequency, a, wave number, k, and wavelength, λ, of the wave function, ψ ? [3 points] b. If this electron is confined in an infinite potential well (in one dimension, z) with width 0 KcSa, what are...
The magnetic field of a plane electromagnetic wave is given by B2 = 21.7 sin(kx – 6.53 x 10®t) nt. (a) What is the amplitude of the electric field of this wave? 6.51e9V/m (b) What is the frequency f? Hz (c) What is the wavelength 2?
(d) A standing wave is described by equation of the form an t+) y Ysin(kx)sin( The wave has a frequency of 11.5 Hz and a wavelength of 1.30 m. At t = 0 the displacement at the antinodes is given by y = Y= 0.125 m. What is the displacement at A/8 when t = 30.0 ms? the point x (d) A standing wave is described by equation of the form an t+) y Ysin(kx)sin( The wave has a frequency...
solve last one .include all the steps Show that if an electron is accelerated through V volts then the deBroglie wave- length in angstroms is given by λ-(1 ) 12 A thermal neutron has a speed v at temperature T 300 K and kinetic energy L. Calculate its deBroglie wavelength. State whether a beam of these neutrons could be diffracted by a crystal, and why? (b) Use Heisenberg's Uncertainty principle to estimate the kinetic energy (in MeV) of a nucleon...