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WorksheetsSYBSc Sem IV PII U1 &U2
Total questions: 20
Worksheet time: 7mins
The common between classical and quantum mechanical fundamental distribution function is :
they all depend upon the quantity that define state only
they all depend only upon the energy of the state
they all depend both on energy and quantity defining state
nothing is common in them
The walls of a particle in a box are supposed to be
Small but infinitely hard
Infinitely large but soft
Soft and Small
Infinitely hard and infinitely large
The wave function of the particle lies in which region?
x > 0
x < 0
0 < X < L
x > L
The basic principle behind Quantum Mechanics
Heisenberg's uncertainity principle
Newton's laws
Wein's displacement law
Planck's radiation law
Wave function is represented by the symbol
Ψ
£
þ
µ
The common between classical and quantum mechanical fundamental distribution function is
they all depend upon the quantity that define state only
they all depend only upon the energy of the state
they all depend both on energy and quantity defining state
nothing is common in them
De Broglie equation
relates the momentum of a mass to its wavelength
relates the energy of a mass to its wavelength
relates the frequency of a mass to its wavelength
relates the work function of a mass to its wavelength
If waves can behave like particles, then particles can behave like a wave. This is the idea behind...
Quantization of Energy
Photoelectric Effect
Compton Effect
deBroglie Waves
Uncertainty Principle
Name the scientist who created an equation to treat the electron as a wave
Planck
Heisenberg
de Broglie
Schrodinger
The SI unit of frequency is the __________.
meter
second
hertz
meter per second
The square of the magnitude of the wave function is called_________
Current density
Probability density
Zero density
Volume density
The operator ∇2 is called _______ operator
Hamiltonian
Laplacian
Poisson
Vector
The function representing matter waves must be ________
Complex
Real
Zero
Infinity
A ____ is a discrete, quantized bundle of energy
Photoelectric effect
Photon
Quantized
Proton
Which one is correct Schrodinger time independent equation
[∇2 ψ + 2m (E –V) ψ] / ħ2 = 1
[∇2 ψ + m (E –V) ψ] / ħ2 = 0
[∇2 ψ + 2m (E –V) ψ] / ħ2 = 0
[∇2 ψ + 2m (E –V) ψ] / ħ = 0
Which one is correct Schrodinger time dependent equation?
H = E
H = Eψ
Hψ = ψ
Hψ = Eψ
This equation represents Schrodinger's
time independent in 3-d for free particle.
time independent in 3-d.
time dependent in 1-d for free particle.
time dependent in 1-d.
Quantum mechanical operator, corresponding to physical quantity momentum, is
The equation which links Energy to wavelength is...
E=hf
E=λhf
E=λhc
c=fλ
What does the p stand for?
power
momentum
pressure
principle axis
