In Heisenberg Picture, the operators are , whereas wavefunctions are ____!?
Time Dependent, Time Independent
Time Independent, Time Dependent
Time Dependent, Time Dependent
In Schrodingor Picture, the operators are , whereas wavefunctions are ____!?
Time Dependent, Time Independent
Time Independent, Time Dependent
Time Dependent, Time Dependent
Which quantum picture is closest to classical physics?
Dirac Picture
Heisenberg Picture
Schrodinger Picture
In which quantum picture, the basis is fixed?
Dirac Picture
Heisenberg Picture
Schrodinger Picture
No two fermions can have same quantum numbers, is from which principle of QM?
Schrodingor
Heisenberg
Dirac
Pauli Exclusion principle
If n = 1, the eigen values of L^2 operator is?
Zero
h/2pi
(h/2pi)^2
Can’t be determined from the given information
If HΨ = EΨ, and Hϕ = Eϕ. Then this is strictly known as:?
Eigen states
Degenerate states
Non-degenerate states
None of these
For a wave function Ψ(3,1,0), the eigen values of Lz and L^2 are: [Ψ(n,l,m)]?
h/2pi, 0
h/2pi, (h/2pi)^2
0, h/pi
None of these
Electrons follow?
Bose Einstein statistics
Fermi dirac statistics
Both
Pauli exclusion principle does not apply to:?
electrons
neutrons
photon
None of these
If perturbed and unperturbed Hamiltonian can be written as sum/difference, then we can apply?
Variational Method
WKB Method
Time Dependent Perturbation Theory
WKB method is?
a semiclassical approximation
used for calculating tunneling rate
only works with time independent Schrodinger wave equation
All of these
Absolute P.E. of an object at infinite height w.r.t earth is taken as:?
Negative
Zero
Positive
None of these
Consumption of energy by a 100-watt Electric Bulb in 60 minutes is:?
6000 kWh
100 kWh
0.1 kWh
None of these
The ratio of escape velocity to the orbital velocity is:?
√2 : 1
1:√2
1 : 1
[PPSC 2020] Kilowatt hour is the unit of:?
Power
Force
Energy
Momentum
The work done in lifting 9.8 m^3 of water through a height of 5 m is:?
48 MJ
48 J
0.48 MJ
0.048 MJ
If momentum of a moving object is doubled, its K.E becomes?
Doubled
Halved
Four times
Remains same
