This is a ninth chapter of the book Physics 12 published by Punjab Curriculum and Textbook Board, Lahore, Pakistan.
Distinguish between inertial and non-inertial frames of references.
Describe the postulates of special theory of relativity and its results.
Understand the NAVASTAR navigation system.
Understand the concept of black body radiation.
Understand and describe how energy is distributed over the wavelength range for several values of source temperature.
Know Planck's assumptions.
Know the origin of quantum theory.
Show an appreciation of the particle nature of electromagnetic radiation.
Describe the phenomenon of photoelectric effect.
Explain photoelectric effect in terms of photon energy and work function.
Explain the function of photocell and describe its uses.
Describe Compton's effect.
Explain the phenomena of pair production and pair annihilation.
Describe de-Broglie's hypothesis of wave nature of particles.
Describe and interpret qualitatively the evidence provided by electron diffraction for the wave nature of particles.
Understand the working principle Of electron microscope.
Understand and describe uncertainty principle.