•1.In the acknowledgements, Gribbin mentions the reality- or unreality- of the quantum world. Does this ‘unreality’...
•1.In the acknowledgements, Gribbin mentions the reality- or unreality- of the quantum world. Does this ‘unreality’ make quantum a bad fit for the field of science?
2.From your previous understanding of physics, are you surprised by the wave/particle duality of light
Homework Answers
Before the confirmation of wave particle duality there were certain phenomenon which could be described by wave nature and certain experiment that could be by particle nature.So it was proven that light has dual nature
Experiments explained by wave nature:
1)Young's double slit experiment
2)Huygen's principle
Experiments explained by particle nature:
1)Photoelectric effect
Further De broglie stated matter has dual nature.It has particle as well as wave nature.
However the wavelength associated with particles of finite mass is so small that it is neglected.
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•1.In the acknowledgements, Gribbin mentions the reality- or
unreality- of the quantum world. Does this ‘unreality’...
can someone help me with this 2 Interferometer and the quantum interpretation of light The following...
can
someone help me with this
2 Interferometer and the quantum interpretation of light The following are challenges designed to test your understanding of the concepts, so focus on the descriptions as you step through any mathematical procedure. been splitter mirror wit h PM ten splitter Figure 1: The Mach-Zehnder interferometer. Here only one of the photomultiplier detectors is shown or used in the problem. Elements A, D are 50-50 beam-splitters and C, B are mirrors. 1. Give one example...
Question responses should be in short answer form or 1-2 sentences maximum. Write on back of paper if needed 1 In your own words, what does the quantum mean in Quantum Mechanics? 2. Describe the...
Question responses should be in short answer form or 1-2 sentences maximum. Write on back of paper if needed 1 In your own words, what does the quantum mean in Quantum Mechanics? 2. Describe the three quantized particles 3. What is the Heisenberg Uncertainty Principle? What does it mean? 4. What is the difference between heat and temperature? 5. Draw the potential energy diagram for a low temperature spontaneous reaction 6. Drawthe potential energy diagram for a high temperature spontaneous...
I am really struggling with quantum. Can someone please help me with those questions 4.2. Using...
I am really struggling with quantum. Can someone
please help me with those questions
4.2. Using basic quantum concepts Pr 4.3 This problem reinforces your understanding of normalization, prob- ability densities, and mean (expectation) values. The ground state wave function for a particle in a wire is = (2/a)/2 sin(x/a). (a) Define the ground state wave function for the particle in a wire using Maple. Hint: see Appendix A. (b) Write down a mathematical expression for the normalization of the...
QM 30 Relating classical and quantum mechanics IV. Supplement: Highly-excited energy eigenstates A particle is in...
QM 30 Relating classical and quantum mechanics IV. Supplement: Highly-excited energy eigenstates A particle is in the potential well shown at right A. First, treat this problem from a purely elassical standpoint (assume the particle has enough energy to reach both regions) Give an example of a real physical situation that corresponds to this potential well. 1. region I | region II 2. In which region of the well would the particle have greater kinetic energy? Explain. 3. In which...
1.(3) The line of longest wavelength in visible light for the emission spectrum of hydrogen, 656nm...
1.(3) The line of longest wavelength in visible light for the emission spectrum of hydrogen, 656nm (Balmer series), would correspond to what electronic transition? 2.(7) Explain the wave-particle duality of matter and light. Why don’t we notice this effect in everyday activities? What do electrons behave most like in an atom? 3.(8) What is the approximate range, in nm, for visible light? Which end contains photons of the highest energy? What is the mathematical relationship between energy of a photon...
please explain all, thanks! 4. (60 pts) A particle in an infinite square well of width...
please explain all, thanks!
4. (60 pts) A particle in an infinite square well of width L has an initial wave function (x,t = 0) = Ax(L - x)2, OSX SL a) Find y(x, t) fort > 0. You first have to normalize the wave function. Hint: this is best expressed an infinite series: show that the wave function coefficients are on = * 31% (12 – n?)(1-(-1)") → (n = 87315 (12 - nºre?); n odd. b) Which energy...
Hello, I need help with a problem for my Quantum Mechanics class. Please explain as if...
Hello, I need help with a problem for my Quantum Mechanics class. Please explain as if I am learning for the first time. I want to be able to understand and do problems like this on my own. Thank you in advance for your help! The infinite square well has solutions that are very familiar to us from previous physics classes. However, in this class we learn that a quantum state of the system can be in a superposition state...
1.Which one of the 0.1 M solutions of C2H5OH, HC2H3O2 and NaC2H3O2, in water will cause...
1.Which one of the 0.1 M solutions of C2H5OH, HC2H3O2 and NaC2H3O2, in water will cause of the light bulb to glow most brightly? 2.For a functional group having a carbon atom singly bonded to an electronegative atom, (a) this carbon atom is likely to bear a partial positive charge. (b) bonding electrons are to be delocalized within this functional group (c) it appears as an essential part of ester molecules. (d) it appears as an essential part of ketone...
Use the following information to answer the next question. In the Rutherford alpha particle scattering experiment,...
Use the following information to answer the next question. In the Rutherford alpha particle scattering experiment, some alpha particles were deflected coming straight back from the gold foil. When an alpha particle is emitted by the radium sample, it has a kinetic energy of 1.0 x 10-22 J. The electric potential energy of a charged particle in a radial electric field is modelled as kq192 Ер r Numerical Response 2. The maximum acceleration of an alpha particle at its closest...
9. The wavefunction, p(x,t), of a particle moving along the x-axis, whose potential energy V(x) i...
Question #9 all parts thanks
9. The wavefunction, p(x,t), of a particle moving along the x-axis, whose potential energy V(x) is independent of time, is described by the one-dimensional non-relativistic Schrödinger equation (where m is its mass, h is the reduced Planck constant, i is the imaginary number): 2m (a) Verify that it is a parabolic equation (page E-1-2). [It has wave-like solutions, however.] (b) Use the substitution Px,t)-Xx)Tt) to separate the equation into two ODEs. (c) Solve for T,...
can
someone help me with this
2 Interferometer and the quantum interpretation of light The following are challenges designed to test your understanding of the concepts, so focus on the descriptions as you step through any mathematical procedure. been splitter mirror wit h PM ten splitter Figure 1: The Mach-Zehnder interferometer. Here only one of the photomultiplier detectors is shown or used in the problem. Elements A, D are 50-50 beam-splitters and C, B are mirrors. 1. Give one example...
Question responses should be in short answer form or 1-2 sentences maximum. Write on back of paper if needed 1 In your own words, what does the quantum mean in Quantum Mechanics? 2. Describe the three quantized particles 3. What is the Heisenberg Uncertainty Principle? What does it mean? 4. What is the difference between heat and temperature? 5. Draw the potential energy diagram for a low temperature spontaneous reaction 6. Drawthe potential energy diagram for a high temperature spontaneous...
I am really struggling with quantum. Can someone
please help me with those questions
4.2. Using basic quantum concepts Pr 4.3 This problem reinforces your understanding of normalization, prob- ability densities, and mean (expectation) values. The ground state wave function for a particle in a wire is = (2/a)/2 sin(x/a). (a) Define the ground state wave function for the particle in a wire using Maple. Hint: see Appendix A. (b) Write down a mathematical expression for the normalization of the...
QM 30 Relating classical and quantum mechanics IV. Supplement: Highly-excited energy eigenstates A particle is in the potential well shown at right A. First, treat this problem from a purely elassical standpoint (assume the particle has enough energy to reach both regions) Give an example of a real physical situation that corresponds to this potential well. 1. region I | region II 2. In which region of the well would the particle have greater kinetic energy? Explain. 3. In which...
please explain all, thanks!
4. (60 pts) A particle in an infinite square well of width L has an initial wave function (x,t = 0) = Ax(L - x)2, OSX SL a) Find y(x, t) fort > 0. You first have to normalize the wave function. Hint: this is best expressed an infinite series: show that the wave function coefficients are on = * 31% (12 – n?)(1-(-1)") → (n = 87315 (12 - nºre?); n odd. b) Which energy...
Hello, I need help with a problem for my Quantum Mechanics class. Please explain as if I am learning for the first time. I want to be able to understand and do problems like this on my own. Thank you in advance for your help! The infinite square well has solutions that are very familiar to us from previous physics classes. However, in this class we learn that a quantum state of the system can be in a superposition state...
Use the following information to answer the next question. In the Rutherford alpha particle scattering experiment, some alpha particles were deflected coming straight back from the gold foil. When an alpha particle is emitted by the radium sample, it has a kinetic energy of 1.0 x 10-22 J. The electric potential energy of a charged particle in a radial electric field is modelled as kq192 Ер r Numerical Response 2. The maximum acceleration of an alpha particle at its closest...
Question #9 all parts thanks
9. The wavefunction, p(x,t), of a particle moving along the x-axis, whose potential energy V(x) is independent of time, is described by the one-dimensional non-relativistic Schrödinger equation (where m is its mass, h is the reduced Planck constant, i is the imaginary number): 2m (a) Verify that it is a parabolic equation (page E-1-2). [It has wave-like solutions, however.] (b) Use the substitution Px,t)-Xx)Tt) to separate the equation into two ODEs. (c) Solve for T,...
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