Explore a comprehensive 8-hour lecture series on light and optics, building upon previous waves concepts. Delve into reflection, refraction, and their advanced applications. Examine thin lenses, refractive surfaces, and various optical instruments. Investigate interference phenomena, including thin film interference. Conclude with an in-depth study of diffraction, resolving power, and diffraction gratings. Gain a thorough understanding of the fundamental principles and practical applications of light and optics in physics.