astronomy

Prasenjit Sen

Prasenjit Sen 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 Prasenjit Sen rather than just read about it. In short: Prasenjit Sen (born 11 January 1956) is a professor at the School of Physical Sciences of Jawaharlal Nehru University, New Delhi, India. Education Sen received the bachelor's degree in physics from Indian Institute of Technology (IIT), Kharagpur, India.

Key takeaways

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

Reference excerpt

Prasenjit Sen (born 11 January 1956) is a professor at the School of Physical Sciences of Jawaharlal Nehru University, New Delhi, India.

Education Sen received the bachelor's degree in physics from Indian Institute of Technology (IIT), Kharagpur, India. Subsequently, he obtained the master's degree in physics (condensed matter physics specialization) from IIT, Kharagpur, India based on a thesis on "Search for T Centers in Alkali Halides". His doctorate in science from Indian Institute of Science (IISc.), Bangalore, India based on his dissertation on "Investigation of Solids and Surfaces by techniques of Electron Spectroscopy" in 1985.

Career Sen is currently professor in School of Physical Sciences JNU. He was rector of JNU. He was Guest Research Scientist, KFA, Julich, West Germany prior to joining JNU. He taught courses in the field of electronics, atomic and molecular physics, condensed matter physics (theory), physics laboratory (electronics) and modern experiments. His current research interests included condensed matter physics: electronic properties, surfaces, MoV Ion interaction with solids/surfaces, many body process, nonlinear transport of energy in condensed matter, artificially reordered structure including nano structures and biological nano structures; MEMS pressure sensors; and quantum dots. He was fellow of the Indian National Academy of Engineering (FNAE) 2009 and presently sole FNAE from JNU. Sen has authored more than 110 research papers with ~1000 citations (articles include peer-reviewed Proceedings of the Materials Research Society, US and has several patents to his credit).

References

External links India ‘must regulate nanotechnology’ urgently http://www.iuac.res.in/admin/org/auc.html Bhattacharya, Jaydeep; Choudhuri, Utpal; Siwach, Omprakash; Sen, Prasenjit; Dasgupta, Anjan Kr. (1 September 2006). "Interaction of hemoglobin and copper nanoparticles: implications in hemoglobinopathy". Nanomedicine: Nanotechnology, Biology and Medicine. 2 (3): 191–199. doi:10.1016/j.nano.2006.07.001. ISSN 1549-9634. http://www.ias.ac.in/chemsci/Pdf-OctDec2003/Pc3336.pdf Faculty Profile. Prasenjit Sen [1] https://books.google.com/books?id=lDQ32fqu2okC&dq=%22Prasenjit+Sen%22&pg=PR9 https://books.google.com/books?id=zuVgPgREA_cC&dq=%22Prasenjit%20Sen%22&pg=PA428 "JNU held 2-day international conference on Eurasia". Retrieved 9 May 2015. "Office of International Cooperation". www.tju.edu.cn. Retrieved 9 May 2015. [2]

Worked examples

Example 1 — a first encounter with Prasenjit Sen

Start with the simplest possible case. Write down what Prasenjit Sen 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 Prasenjit Sen 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 Prasenjit Sen 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 Prasenjit Sen

In research: Prasenjit Sen 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 Prasenjit Sen 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: Prasenjit Sen is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1956 births, Academic staff of Jawaharlal Nehru University, Fellows of the Indian National Academy of Engineering, so understanding it makes those chapters shorter.
In everyday life: Look for Prasenjit Sen 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 Prasenjit Sen in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Prasenjit Sen 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 Prasenjit Sen out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Prasenjit Sen in simple terms?

Prasenjit Sen (born 11 January 1956) is a professor at the School of Physical Sciences of Jawaharlal Nehru University, New Delhi, India. Education Sen received the bachelor's degree in physics from Indian Institute of Technology (IIT), Kharagpur, India.

Why does Prasenjit Sen 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 Prasenjit Sen?

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 Prasenjit Sen.