Modern Physics — Mains Questions

Discuss the fundamental differences between classical and quantum mechanical models of the atom. How has the quantum mechanical model advanced our understanding of chemical bonding and material properties?

India's nuclear program is a cornerstone of its energy security and strategic autonomy. Critically analyze the role of Modern Physics principles in the development and future trajectory of this program, including challenges in waste management and international cooperation.

The advent of quantum technologies, particularly quantum computing and communication, is poised to redefine global technological leadership. Examine the fundamental principles of quantum mechanics that underpin these technologies and discuss their potential impact on India's technological sovereignty and national security.