astronomy

R. Kumaravadivel

R. Kumaravadivel is a astronomy topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand R. Kumaravadivel rather than just read about it. In short: Rajaratnam Kumaravadivel is a Sri Lankan Tamil and Emeritus Professor of theoretical physics. He was the former dean of the Faculty of Science, University of Jaffna, former acting Vice-chancellor and the current Chancellor of the University of Jaffna.

Key takeaways

R. Kumaravadivel belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect R. Kumaravadivel to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of R. Kumaravadivel from memory before moving on to harder problems.

Reference excerpt

Rajaratnam Kumaravadivel is a Sri Lankan Tamil and Emeritus Professor of theoretical physics. He was the former dean of the Faculty of Science, University of Jaffna, former acting Vice-chancellor and the current Chancellor of the University of Jaffna.

Early life Kumaravadivel joined the University of Ceylon, graduating in 1967 with first class honours BSc degree and winning the Coomarasamy Prize for Science. He was also the first person to receive both a first class honours degree specialising in physics (1970) and the Hewavitharana memorial prize for best performance in Physics from the University of Ceylon at Peradeniya. He then received a PhD degree in physics from the University of Bristol in 1975 after producing a thesis titled Theory of Thermodynamic Properties of Liquid Metals.

Career Kumaravadivel served as a lecturer and head of the Department of Physics at Peradeniya Campus of the University of Sri Lanka between January 1978 and January 1979. Whilst at Peradeniya, he helped in conducting final year Physics undergraduate lectures for the newly formed Department of Physics at the University of Jaffna. Jaffna being his hometown, he later settled there and joined the University of Jaffna as one of the founding professors of the Department of Physics. During his tenure, Kumaravadivel took different administrative roles and contributed immensely to the growth of the department. He served as Head of the Department of Physics for three terms: February 1985 to February 1988; March 1991 to June 1991; and April 1994 to November 1999, steering the department through the difficult times of the ethnic conflict in Sri Lanka. He led the Computer Unit (computing facility) at the University from August 1989 to October 1990, during its formative years. Kumaravadivel also held several international fellowships. He was appointed as an associate member of the International Center for Theoretical Physics from 1982 to 1987 and 1989–1995 and a visiting scientist at the same institute from 1983 to 1984. He obtained a Commonwealth fellowship to work as a visiting professor at the Cavendish Laboratory, University of Cambridge in 1990. Kumaravadivel later was the Dean of the Faculty of Science from November 1999 to July 2010. He was the University Grants Commission (Sri Lanka) nominee for the Vice-Chancellorship of the University of Jaffna for three consecutive times – in 2000, 2003 and 2006. He was appointed as acting Vice-Chancellor of the University between June 2006 and December 2007 after the nominee Ratnajeevan Hoole did not take up his post. After retirement Kumaravadivel served as the member of the University Grants Commission from May 2015 -January 2020. He is currently an Emeritus Professor of Physics and in August 2025, appointed the Chancellor of University of Jaffna

References

Worked examples

Example 1 — a first encounter with R. Kumaravadivel

Start with the simplest possible case. Write down what R. Kumaravadivel claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to R. Kumaravadivel before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about R. Kumaravadivel ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of R. Kumaravadivel

In research: R. Kumaravadivel appears in astronomy research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses R. Kumaravadivel in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: R. Kumaravadivel is common in secondary-school and first-year university syllabi. It links to neighbouring topics Academic staff of the University of Jaffna, Academic staff of the University of Sri Lanka, Alumni of the University of Bristol, so understanding it makes those chapters shorter.
In everyday life: Look for R. Kumaravadivel outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study R. Kumaravadivel in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what R. Kumaravadivel means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain R. Kumaravadivel out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is R. Kumaravadivel in simple terms?

Why does R. Kumaravadivel matter?

Because it connects several astronomy ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study R. Kumaravadivel?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on R. Kumaravadivel.