ThatQuiz Test Library Take this test now
Scattering - Quiz
Contributed by: Cresswell
  • 1. What mathematical structure pairs solutions from the distant past to the distant future in scattering theory?
A) The Hilbert operator
B) The spectral vector
C) The scattering matrix
D) The differential manifold
  • 2. In quantum mechanics, what does a discrete spectrum correspond to?
A) Wave functions
B) Scattering states
C) Bound states
D) Inelastic transitions
  • 3. Which of the following is considered an inelastic scattering process?
A) Rayleigh scattering
B) Mie scattering
C) Elastic light scattering
D) Raman scattering
  • 4. What is the primary cause of the blue color of the Earth's sky?
A) Spectral absorption
B) Geometric scattering
C) Mie scattering
D) Rayleigh scattering
  • 5. For which shapes is Mie theory generally applicable?
A) Fractal dust particles
B) Liquid density fluctuations
C) Spheres
D) Arbitrary complex shapes
  • 6. Which equation is used in regular quantum mechanics for scattering problems?
A) Geometric optics
B) Wave equation
C) Maxwell's equations
D) Schrödinger equation
  • 7. What is the primary physical process, besides absorption, that contributes to the visible appearance of objects?
A) Light scattering
B) Particle decay
C) Spectral emission
D) Quantum tunneling
  • 8. What does a glossy appearance indicate about surface scattering?
A) High level of surface scattering
B) Multiple internal scattering
C) Strong Rayleigh scattering
D) Absence of surface scattering
  • 9. In the Rayleigh scattering regime, what is the relationship between wavelength and scattering intensity?
A) 1/λ2
B) 1/λ
C) 1/λ4
D) λ4
  • 10. Which technique is used to solve scattering problems in quantum mechanics alongside partial wave analysis?
A) Rayleigh-Gans approximation
B) Inverse scattering transform
C) Finite-element method
D) Born approximation
  • 11. What does an alpha value much larger than 1 represent in light scattering?
A) Resonant scattering
B) Mie scattering
C) Geometric scattering
D) Rayleigh scattering
  • 12. What is the result of applying an electric field to particles in a liquid during electrophoresis?
A) Total light absorption
B) Immediate decay of particles
C) Migration of macromolecules
D) Creation of new particles
  • 13. What happens to the energy in elastic scattering processes?
A) It increases significantly
B) It decreases significantly
C) It is completely converted to heat
D) It is not substantially changed
  • 14. Which numerical method is common for modeling scattering by large, irregularly shaped particles?
A) Rayleigh's model
B) Geometric optics approximation
C) Finite-element methods
D) Mie theory
  • 15. Which theory is often used to model multiple scattering?
A) Quantum field theory
B) Diffusion theory
C) General relativity
D) Statistical mechanics
  • 16. What is an example of single scattering provided in the text?
A) A laser beam in radar scattering
B) A light beam passing through thick fog
C) Coherent backscattering
D) An electron fired at an atomic nucleus
  • 17. What are optical elements designed to produce multiple scattering called?
A) Diffusers
B) Reflectors
C) Scatters
D) Focusers
  • 18. What is coherent backscattering usually attributed to?
A) Speckles
B) Diffusion theory
C) Particle duality
D) Weak localization
  • 19. Can single scattering ever be deterministic?
A) No, it is always random
B) Only in fog
C) Only in radar systems
D) Yes, with a well-controlled laser beam
  • 20. What is an example of a macroscopic object involved in radar scattering?
A) An atomic nucleus
B) An electron
C) A microscopic particle
D) An aircraft
  • 21. What are the random fluctuations in the multiply scattered intensity of coherent radiation called?
A) Waves
B) Speckles
C) Backscattering
D) Diffusers
  • 22. What is the distinction between single and multiple scattering related to?
A) Chemical composition
B) Gravity
C) Thermodynamics
D) Wave–particle duality
  • 23. What is the term for reflections that do not follow the law of reflection due to scattering?
A) Mirror-like reflections
B) Diffuse reflections
C) Specular reflections
D) Refracted reflections
  • 24. Who was one of the first people to discuss light scattering in the 17th century?
A) Isaac Newton
B) Ernest Rutherford
C) Werner Heisenberg
D) John Archibald Wheeler
  • 25. Which two scientists introduced and developed the S-Matrix?
A) William Herschel and John Tyndall
B) Isaac Newton and William Herschel
C) John Tyndall and Ernest Rutherford
D) John Archibald Wheeler and Werner Heisenberg
  • 26. Which of these is considered a 'scattering center' or 'scatterer'?
A) Density fluctuations in fluids
B) Perfectly smooth surfaces
C) Empty space
D) Uniform gravitational fields
  • 27. In which field is particle-particle scattering theory particularly important?
A) Geology
B) Biology
C) Nuclear physics
D) Economics
  • 28. How are unscattered reflections commonly described?
A) Non-linear
B) Diffuse
C) Specular
D) Non-uniform
  • 29. What did William Herschel refer to the scattering of in 1800?
A) Cathode rays
B) Sound waves
C) X-rays
D) Heat rays
  • 30. What discovery by Ernest Rutherford in 1911 contributed to the broader sense of scattering?
A) The law of reflection
B) Subatomic particles
C) The diffraction of light
D) The quantum S-Matrix
  • 31. Which of the following is a concept used to quantify scattering?
A) Mean free path
B) Total mass
C) Potential energy
D) Surface tension
  • 32. Where does cosmic ray scattering occur?
A) In fluorescent lamps.
B) In the Earth's upper atmosphere.
C) Inside particle accelerators.
D) In nuclear reactors.
  • 33. Which of the following is an application of scattering theory?
A) Battery charging
B) Medical ultrasound
C) Hydraulic pressure measurement
D) Steam engine design
  • 34. Which example is given for wave scattering in the text?
A) The combustion of fuel
B) The growth of crystals
C) Sunlight scattered by rain drops
D) The evaporation of water
  • 35. What is the primary focus of the direct scattering problem?
A) Determining the scatterer from measurement data
B) Removing the scatterer from the environment
C) Ignoring the scattering process entirely
D) Determining scattered flux based on scatterer characteristics
  • 36. In the equation dI/dx = -QI, what does Q represent?
A) Interaction coefficient
B) Mass density
C) Path length
D) Initial flux
  • 37. What is the unit of area cross-section σ mentioned in nuclear physics?
A) Celsius
B) Grams per cm2
C) Barns
D) Nanometers
  • 38. What is the term for Q in electromagnetic absorption spectroscopy?
A) Diffraction constant
B) Thermal conductivity
C) Opacity
D) Nuclear cross-section
  • 39. What potential is associated with the hydrogen atom in the Schrödinger equation?
A) Negative inverse-power central potential.
B) Zero potential.
C) Infinite potential well.
D) Positive linear potential.
  • 40. What can happen to hydrogen atoms when they scatter off one another?
A) They always remain in the ground state.
B) They can become ionized.
C) They repel each other without any interaction.
D) They fuse into a helium atom.
  • 41. In inelastic scattering, what might happen to the electrons of a scattering atom?
A) They may become excited.
B) They remain in the ground state.
C) They are removed from existence permanently.
D) They convert into protons.
  • 42. What type of Coulombic potential is mentioned regarding the hydrogen atom?
A) Repulsive.
B) Neutral.
C) Oscillatory.
D) Attractive.
Created with That Quiz — a math test site for students of all grade levels.