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Elementary Physics II

Oscillations, Waves: Sound and Electromagnetic/Light

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Language:  English
In EP I we concentrated on motion of particles and a brief introduction to thermodynamics.
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Developing an elementary picture of the Universe was the challenge here.

In EP I we concentrated on motion of particles and a brief introduction to thermodynamics. To complete our study it is notable that throughout life we work with two WAVE phenomena: SOUND and LIGHT! This volume (EP II) is intended to help us understand them at the most basic level. We begin by discussing waves in matter - SOUND being a special case. To get there we start by describing linear harmonic oscillations and go on to travelling waves in strings, standing waves in strings and pipes and eventually the basics of periodic SOUND waves in gases. To understand the nature of LIGHT we begin by introducing Electric and Magnetic fields and build the relationships which develop into what are arguably among the most powerful equations in Physics: Maxwell's Electromagnetic Field Equations. They unequivocally predict the existence of electromagnetic waves travelling in vacuum: waves which are ubiquitous (radio waves, infra-red, LIGHT, uv, X-rays).

To summarize, we have explored particles (matter) and EM waves (radiation), the two basic components of the observable universe.

  1. Introduction
  2. Linear Harmonic Mechanical Oscillators
  3. Linear Harmonic Oscillators
  4. Mechanical Waves (Travelling)
  5. Sound
  6. Trig Identity
  7. Charge – Electrostatic (Coulomb Force)
  8. Coulomb Force
  9. The E→ Field Coulomb / Gravitational Field
  10. Dipole In An E→-Field
  11. Flux of E→-Field: Coulomb E→-Field, Gauss’ Law
  12. Energy Conservation Principle Revisited: Electric Potential
  13. Devices Based On Coulomb E→-Field
  14. Dc-Circuits: Battery + Resistors + Capacitors
  15. Fields: Gravitational, Coulomb E→, B→
  16. Generation of A B→ Field
  17. Ampere’s Law and its Applications
  18. Devices Using E→ And B→ Fields Cyclotron
  19. Magnetism 156
  20. Non-Coulomb E→ Field (Induction)
  21. Devices For Non-Coulomb E→
  22. Devices – Ac Circuits
  23. Maxwell’s Equations: Radiation → Light
  24. Geometrical Optics
  25. Formation Of Image – Mirrors
  26. Formation Of Images – Refraction At A Single Surface
  27. Formation Of Images – Thin Lenses
  28. Wave Optics: Interference And Diffraction
  29. Diffraction – Single Slit
  30. Problems in Elementary Physics
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Prof. Satindar Bhagat