Ajoy Ghatak is an Indian physicist and author whose work delves into the understanding of light propagation across diverse optical media. His academic texts, particularly on optics, have achieved international recognition through translations, highlighting their crucial role in optics education. Ghatak's research and dedication to teaching have significantly advanced the field of optical technologies.
The book explores Albert Einstein's lasting influence as a scientific icon, highlighting his unique approach to science and the social context of his era. It delves into his groundbreaking theories, philosophical insights, and the complexities of his personal life, offering a multifaceted view of the man behind the genius. Through this examination, readers gain a deeper understanding of both his scientific contributions and the challenges he faced in his personal relationships.
The book highlights the rapid advancement in optics since the invention of the laser in 1960, emphasizing its significance in educational institutions. It aligns with the UN's declaration of 2015 as the International Year of Light and Light-Based Technologies, celebrating the contributions of optics to science and technology. The text serves to educate readers about the importance of light and its applications in various fields, reflecting on the historical and contemporary relevance of optical research.
Focusing on one of the twentieth century's pivotal scientific revolutions, this book provides an accessible overview of Einstein's Special Theory of Relativity. It begins with a brief biography of Einstein, then simplifies the fundamental concepts and implications of his groundbreaking theory, making complex physics approachable for readers.
A collection of problems in electromagnetics for the undergraduate level, this book covers the basics and some applied aspects. It includes problems in fundamental areas such as electrostatics, magnetostatics, wave propagation, reflection and refraction, and also in more complex areas such as magnetic circuits, metallic waveguides and dielectric waveguides.
The book offers a clear and comprehensive understanding of quantum mechanics, essential for students in physics, chemistry, and electrical engineering. It emphasizes mathematical concepts derived from first principles, making it suitable for self-study. Key chapters cover the JWKB approximation, time-independent perturbation theory, and magnetic field effects, along with an in-depth exploration of the linear harmonic oscillator and angular momentum. Notably, it balances theory with practical applications across various fields, including astrophysics and solid-state physics, enhancing its educational value.