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- 1. Multiple Choice
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
- 2. Multiple Choice
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
- 3. Multiple Choice
The energy of a particle trapped inside an infinite deep potential well is 8 eV. If the width of the well is halved then it's energy becomes
2 eV
4 eV
16 eV
32 eV
- 4. Multiple Choice
Name the scientist who created an equation to treat the electron as a wave
Planck
Heisenberg
de Broglie
Schrodinger
- 5. Multiple Choice
The SI unit of frequency is the __________.
meter
second
hertz
meter per second
- 6. Multiple Choice
If a proton and an electron have same energy, then which one is correct?
- 7. Multiple Choice
The normalized wave function must have ________ norm
Infinite
Zero
Finite
Complex
- 8. Multiple Choice
The square of the magnitude of the wave function is called_________
Current density
Probability density
Zero density
Volume density
- 9. Multiple Choice
The operator ∇2 is called _______ operator
Hamiltonian
Laplacian
Poisson
Vector
- 10. Multiple Choice
The function representing matter waves must be ________
Complex
Real
Zero
Infinity
- 11. Multiple Choice
A ____ is a discrete, quantized bundle of energy
Photoelectric effect
Photon
Quantized
Proton
- 12. Multiple Choice
find the correct applications of quantum mechanics.
Quantum mechanics is used to explain the concept of
photoelectric effect.
The atomic structure and the origin of spectral lines are explained by Bohr based on quantum concepts.
The phenomenon like Scattering of X-rays are
explained by Compton based on quantum ideas.
Based on quantum ideas, the problem
of specific heat of solids at low temperature
is explained successfully.
- 13. Multiple Choice
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
- 14. Multiple Choice
Which one is correct Schrodinger time dependent equation?
H = E
H = Eψ
Hψ = ψ
Hψ = Eψ
- 15. Multiple Choice
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.
- 16. Multiple Choice
Quantum mechanical operator, corresponding to physical quantity momentum, is
- 17. Multiple Choice
The de-Broglie wavelength of an electron is 5 Angstrom. Then its momentum is
- 18. Multiple Choice
An electron is moving freely with kinetic energy 10 eV. It's de-Broglie wavelength is
- 19. Multiple Choice
The equation which links Energy to wavelength is...
- 20. Multiple Choice
What does the p stand for?
power
momentum
pressure
principle axis
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