Quantum Mechanics Exam: Quiz!
8 Questions
| Attempts: 1086
.
Questions and Answers
- 1.Calculate the Zero-point energy for a particle in an infinite potential well for an electron confined to a 1 nm atom.
- A.
3.9 X 10-29 J
- B.
4.9 X 10-29 J
- C.
5.9 X 10-29 J
- D.
6.9 X 10-29 J
- 2.The magnitude of average acceleration in half time period in a simple harmonic motion is
- A.
2 ω2A /π
- B.
ω2A /2 π
- C.
ω2A /√2 π
- D.
Zero
- 3.In a finite Potential well, the potential energy outside the box is ____________
- A.
Zero
- B.
Infinite
- C.
Constant
- D.
Variable
- 4.The wave function of a particle in a box is given by ____________
- A.
A sin(kx)
- B.
A cos(kx)
- C.
Asin(kx) + Bcos(kx)
- D.
A sin(kx) – B cos(kx)
- 5.Particle in a box of finite potential can never be at rest.
- A.
True
- B.
False
- 6.The transmission based on tunnel effect is that of a plane wave through a ____________
- A.
Circular Barrier
- B.
Opaque Object
- C.
Rectangular Barrier
- D.
Infinitely small barrier
- 7.The solution of Schrodinger wave equation for Tunnel effect is of the form ____________
- A.
Aeikx+ Beikx
- B.
Aeikx– Beikx
- C.
Aeikx+ Be-ikx
- D.
Aeikx– Be-ikx
- 8.Tunnel effect can be explained on the basis of ____________
- A.
Schrodinger’s Equation
- B.
Particle in a Box
- C.
Heisenberg’s uncertainty principle
- D.
De-Broglie Wavelength
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