Quantum Mechanics Answers

describe an simple experiment to determine whether sunglasses in the store are polarizing

Consider 10 non interacting electrons confined in a one-dimensional infinite potential well the energy of the allowed n^th quantum state is given by 0.25n² eV where n=1,2,3,4,5....an eleventh electron is added to the system at 0K this electron will occupy level having the energy
1)0.25eV
2)2eV
3)4eV
4)9eV

The lowest energy that a neutron can have if confined to move along the age of an impedance box of length 10^-14m is
1)3.29×10^-13 J
2)2.05×10^-8 J
3)1.16×10^-13 J
4)7.09×10^-10J

A particle is placed inside a one
dimensional box with rigid walls. The first
excited state energy of the particle is
4 eV. The ground state energy is
Answer 1eV

Spin angular momentum of an electron
1) always is same h/2π
2) integral multiple of h/2π

At temperature T Kelvin (K), the value of the Fermi function at an energy 0.5 eV above the Fermi energy is 0.01. Then T, to the nearest integer, is_____________
(

What is the value of wave funct at the surface of an infinite potential is
1)0
2) infinite
3)1

The orbital angular momentum of a single 2s electron is (h is the
Planck’s constant) :
(A) h/2
(B) h/4
(C) h√ 2 / 2
(D) Zero

A particle is placed inside a one
dimensional box with rigid walls. The first
excited state energy of the particle is
4 eV. The ground state energy is
(A) 2 eV (B) 3 eV
(C) 1 eV (D) 0 eV

A modulator circuit contains carrier frequency generator but the demodulator does
not require it. Explain by taking any one example.