Physics Paper II 2015 Previous Years Questions Section A (a) Obtain an expression for the probability current for the plane wave: ψ(x, t) = exp[i(kx − ωt)]. Interpret your result. (10) (b) Using dimensional analysis, explain why the angular momentum of a particle cannot be ℏ/2. (10) (c) Two successive…

Centre-State Financial Relations   Centre-State financial relations are a key part of India’s federal system. They are governed primarily by Part XII (Articles 268-293) of the Constitution. They determine how financial powers and resources are shared between the Union and State governments. This topic is very important for UPSC aspirants…

Administrative Relations between Centre and States Articles 256 to 263 of Part XI of the Indian Constitution govern the administrative relations between the Centre and the states, with provisions designed to balance the distribution of powers and ensure cooperative federalism. 1. Distribution of Executive Powers The distribution of executive powers…

Centre-State Legislative Relations refer to how the legislative powers are shared between the Centre and the states in India. The Articles 245 to 255 in Part XI of the Constitution explain these relations. This topic is important for the UPSC exam because it helps in understanding how India’s federal system…

An Overview Centre State relations UPSC in India outline how powers and responsibilities are divided between the Union and State governments as per the Constitution. This topic is a crucial part of the UPSC exam syllabus, encompassing key aspects of Indian polity, governance, and federalism. Questions related to this topic…

A writ is a formal written order issued by a judicial or executive authority, directing a person or body to perform or refrain from performing a specific act. In India, writs play a crucial role in safeguarding fundamental rights, enabling individuals to seek constitutional remedies. The Indian Constitution empowers both…

Are you preparing for UPSC CSE Mains? One of the most effective strategies is to thoroughly analyze previous year questions (PYQs). This post provides a comprehensive compilation of UPSC GS3 PYQ from 2015 to 2024. Covering topics like Economic Development, Technology, Environment, Security, and Disaster Management, GS Paper 3 is critical for success in…

  GS 2 PYQ compilation and analysis from 2015 to 2024: When preparing for the UPSC CSE GS Paper 2, it’s crucial to first review previous years’ questions (GS 2 PYQ), particularly to understand the types and patterns of questions asked since 2015. To support this, we have compiled all…

GS Paper 1 PYQ : Preparing for the UPSC Civil Services Examination (CSE) Mains requires a thorough understanding of the question trends. Our detailed compilation of General Studies Paper 1 (GS1) Previous Year Questions (PYQ) from 2015 to 2024 is here to help aspirants streamline their preparation. GS1 covers diverse…

The journey of governance in India is a fascinating story of transformation. From the days of colonial rule, where Indians had limited participation in administration, to today’s democratic setup, where citizens play a central role, India has come a long way. One of the pivotal moments in this journey was…

The Maitraka Dynasty was an influential dynasty that ruled over parts of present-day Gujarat and Madhya Pradesh from the 5th century CE to the 8th century CE. The dynasty is notable for its contributions to art, architecture, and the promotion of Buddhism and Jainism. The Maitrakas played a significant role…

The Indo-Greeks were a series of Hellenistic kingdoms established in the northwestern Indian subcontinent after the conquests of Alexander the Great in the late 4th century BCE. This unique blend of Greek and Indian cultures led to significant advancements in art, trade, and the spread of Buddhism. The Indo-Greeks played…

The Pallavas were a powerful South Indian dynasty that ruled from the 3rd century CE to the 9th century CE, with their capital at Kanchipuram (in modern-day Tamil Nadu). Known for their contributions to architecture, literature, and art, they laid the foundation for South Indian temple architecture, especially through the…

The Vijayanagara Empire was a major kingdom in South India that shaped the subcontinent’s cultural, political, and economic landscape from the 14th to the 17th centuries. Founded in 1336 CE by Harihara I and Bukka Raya I, the empire was a Hindu stronghold at a time when much of India…

The Vakataka Dynasty was a significant Indian dynasty that ruled over parts of present-day Maharashtra and Madhya Pradesh from the 3rd century CE to the 5th century CE. They are known for their contributions to art, literature, and the promotion of Buddhism and Hinduism. The dynasty is particularly noted for…