Quantum Mechanics Exam: Quiz!

8 Questions | Total Attempts: 528

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Quantum Mechanics Exam: Quiz!

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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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