Quantum Mechanics Answers

Explain variational method in theory.

Define FET parameters obtain relation between them

Show that the de Broglie wavelength of a particle in a one dimensional box in the first
excited state is equal to the length of the box.

Expectation valu of (momentum)^4 in one dim linear harmonic oscilator

What is the boundary condition for normalized wave function

A 50.0 N force is applied at an angle of 30.0 degrees north of east to a 5.78 kg box. Assuming there is a coefficient of kinetic friction of 0.389 between the table and the box, what is the time it takes to travel 3.00 meters?

Wavelength at which the spectral radiancy of sun is maximum 500 nm. calculate the temperature of Sun ?

(a) What is the angular momentum of a particle of mass m that moves in a circle of radius r at the speed v? (b) An earth satellite follows an elliptical orbit in which its maximum altitude above the earth’s surface is 2000 km and its minimum altitude is 400 km. Use the result of (a) to find the ratio between the maximum and minimum speeds of the satellite.