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This is an MCQ-based quiz on the topic of MODERN PHYSICS QUIZ: Quantum mechanics.
This set of MCQs helps you brush up on the important physics topics and prepare you to dive into skill practice and expand your knowledge.
Particle in a box of finite potential can never be at rest.
True
False
Tunnel effect can be explained on the basis of ____________
Schrodinger’s
Particle in a box
Uncertainty Principle
De-Broglie Wavelength
The spin quantum number (ms) can have a minimum value of:
-1/2
1
0
1/2
The angular momentum quantum number is related to n by ___,
n-1
n+1
n/2
2*n
There are ___ types of quantum numbers.
2
7
4
5
The quantum mechanical model describes electrons as
Particles
Waves
Particles with wave-like properties
Small, hard spheres
The wave function of the particle lies in which region?
x < 0
x > 0
0 < x < L
x > L
Calculate the de Broglie wavelength of a particle travelling at a velocity of 107 cm/s in A*?
7.7
72.7
0.727
0.0727
A particle is confined in one-dimensional box with impenetrable walls at x ± a. Its energy eigenvalues is 2eV. Then the lowest possible energy of particle is
4
2
1
0.1
Heisenberg’s Uncertainty Principle states that the ___ and momentum of an electron cannot be known simultaneously.
Position
Momentum
Speed
Charge
