- 1. The Feynman Lectures on Physics, Vol. II, authored by the renowned physicist Richard P. Feynman, presents an engaging and comprehensive exploration of various fundamental concepts in physics, with a strong emphasis on the principles of electromagnetism and matter. This volume, part of a three-volume series based on Feynman’s legendary lectures at the California Institute of Technology in the early 1960s, is characterized by its clear and intuitive explanations, making complex topics accessible to a broad audience. Feynman's charismatic teaching style shines through as he delves into subjects such as electric forces, magnetic fields, and the behavior of light, illustrating them with vivid analogies and thought-provoking insights. He also addresses the interplay between electricity and magnetism, providing a thorough understanding of Maxwell's equations, and discusses the nature of electromagnetic waves, which illuminate the foundations of modern physics. Throughout the text, Feynman’s passion for science and his relentless curiosity encourage readers to appreciate the beauty and intricacies of the physical universe. Overall, Vol. II serves not only as an educational resource but also as an inspiration for anyone eager to dive deeper into the captivating world of physics.
What is the primary subject of Feynman Lectures on Physics, Vol. II?
A) Thermodynamics
B) Electromagnetism
C) Quantum mechanics
D) Nuclear physics
- 2. What law describes the induced EMF in a circuit due to changing magnetic flux?
A) Faraday's law
B) Ampere's law
C) Gauss's law
D) Ohm's law
- 3. Which equation describes the magnetic field due to a current?
A) Gauss's law
B) Ampere's law
C) Faraday's law
D) Coulomb's law
- 4. What quantity is conserved in electromagnetic interactions?
A) Charge
B) Density
C) Mass
D) Volume
- 5. Which field is always solenoidal (divergence-free)?
A) Gravitational field
B) Magnetic field
C) Electric field
D) Temperature field
- 6. What is the unit of magnetic flux?
A) Weber
B) Henry
C) Farad
D) Tesla
- 7. Which law relates electric flux to enclosed charge?
A) Gauss's law
B) Biot-Savart law
C) Lenz's law
D) Ampere's law
- 8. What phenomenon describes the bending of light in materials?
A) Diffraction
B) Refraction
C) Reflection
D) Dispersion
- 9. Which vector describes the rate of energy flow in electromagnetic waves?
A) Lagrangian vector
B) Hamiltonian vector
C) Poynting vector
D) Laplace vector
- 10. What is the relationship between frequency and wavelength for light?
A) F = ma
B) c = fλ
C) E = hf
D) V = IR
- 11. What law describes the force between two electric charges?
A) Ohm's law
B) Hooke's law
C) Coulomb's law
D) Newton's law
- 12. Which phenomenon explains why metals are good conductors?
A) Photon emission
B) Free electrons
C) Atomic nuclei
D) Magnetic domains
- 13. What is the SI unit of electric potential?
A) Joule
B) Ampere
C) Ohm
D) Volt
- 14. Which principle explains the operation of electric motors?
A) Lorentz force
B) Bernoulli's principle
C) Heisenberg uncertainty
D) Pauli exclusion
- 15. What property determines how much a material can be polarized by an electric field?
A) Dielectric constant
B) Thermal conductivity
C) Magnetic permeability
D) Electrical conductivity
- 16. What is the quantum of electromagnetic radiation?
A) Proton
B) Electron
C) Photon
D) Neutron
- 17. Which law describes the direction of induced current?
A) Kirchhoff's law
B) Snell's law
C) Lenz's law
D) Ohm's law
- 18. What is the relationship between electric and magnetic fields in EM waves?
A) Perpendicular
B) Parallel
C) At 45 degrees
D) Anti-parallel
- 19. Which quantity is measured in henrys?
A) Resistance
B) Inductance
C) Capacitance
D) Conductance
- 20. What principle allows capacitors to store energy?
A) Magnetic field energy
B) Electric field energy
C) Kinetic energy
D) Thermal energy
- 21. Which type of current flows in one direction only?
A) Alternating current
B) Eddy current
C) Direct current
D) Displacement current
- 22. Which phenomenon describes the generation of electric current by changing magnetic fields?
A) Refraction
B) Polarization
C) Electromagnetic induction
D) Magnetic resonance
- 23. What is the term for materials that exhibit zero electrical resistance?
A) Insulators
B) Superconductors
C) Semiconductors
D) Conductors
- 24. Which equations completely describe classical electromagnetism?
A) Newton equations
B) Schrodinger equations
C) Einstein equations
D) Maxwell's equations
- 25. What is the term for the electric field inside a perfect conductor?
A) Zero
B) Constant
C) Infinite
D) Oscillating
- 26. Which phenomenon describes the rotation of light's polarization?
A) Interference
B) Optical activity
C) Total reflection
D) Double refraction
- 27. What is the relationship between frequency and wavelength in EM waves?
A) No relationship
B) Directly proportional
C) Exponential
D) Inversely proportional
- 28. What is the term for currents induced in conductors by changing magnetic fields?
A) Displacement currents
B) Conduction currents
C) Polarization currents
D) Eddy currents
- 29. What is the term for the alignment of molecular dipoles in an electric field?
A) Ionization
B) Magnetization
C) Polarization
D) Conduction
- 30. Which phenomenon explains why sky appears blue?
A) Refraction
B) Rayleigh scattering
C) Diffraction
D) Reflection
- 31. What principle explains why charges reside on conductor surfaces?
A) Magnetic repulsion
B) Electrostatic equilibrium
C) Quantum tunneling
D) Thermal expansion
- 32. Which phenomenon demonstrates electromagnetic wave properties?
A) Radioactive decay
B) Interference and diffraction
C) Phase transitions
D) Brownian motion
- 33. What does the wave equation describe for EM fields?
A) Energy conservation
B) Particle creation
C) Propagation through space
D) Charge quantization
- 34. Which principle states that the laws of physics are the same in all inertial frames?
A) Principle of Relativity
B) Exclusion Principle
C) Equivalence Principle
D) Uncertainty Principle
- 35. Which type of material has no electrical resistance at low temperatures?
A) Insulator
B) Conductor
C) Semiconductor
D) Superconductor
- 36. Which principle states that energy is quantized in electromagnetic radiation?
A) Planck's quantum principle
B) Heisenberg uncertainty principle
C) Pauli exclusion principle
D) Einstein equivalence principle
- 37. What is the primary purpose of Feynman's approach to physics education?
A) Develop physical intuition
B) Learn historical facts
C) Memorize equations
D) Perform complex calculations
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