astronomy

Pulak Sengupta

Pulak Sengupta 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 Pulak Sengupta rather than just read about it. In short: Pulak Sengupta (born 1963) is an Indian petrologist and a professor and former head of the Department of Geological Sciences of Jadavpur University. He is known for his studies on grain-scale reaction mechanism and ultra-high temperature regional scale metamorphism and his studies have been documented in several peer-reviewed articles; ResearchGate and Google Scholar, online repositories of scientific articles, have…

Key takeaways

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

Reference excerpt

Pulak Sengupta (born 1963) is an Indian petrologist and a professor and former head of the Department of Geological Sciences of Jadavpur University. He is known for his studies on grain-scale reaction mechanism and ultra-high temperature regional scale metamorphism and his studies have been documented in several peer-reviewed articles; ResearchGate and Google Scholar, online repositories of scientific articles, have listed 31 and 60 of them respectively. Besides, he has contributed chapters to many books published by others. He has also mentored doctoral scholars in their studies. Sengupta, born on 5 December 1963 in the Indian state of West Bengal did his master's studies at Jadavpur University and subsequently secured a PhD from the same institution before joining his alma mater as a member of faculty. He is an elected fellow of Indian Academy of Sciences, and the Indian National Science Academy. The Council of Scientific and Industrial Research, the apex agency of the Government of India for scientific research, awarded him the Shanti Swarup Bhatnagar Prize for Science and Technology, one of the highest Indian science awards for his contributions to Earth, Atmosphere, Ocean and Planetary Sciences in 2006. Apart from academics his interests include photography and travelling.

Selected bibliography

Chapters in books Masaru Yoshida; Brian F. Windley; Somnath Dasgupta, Pulak Sengupta (coauthor) (2003). Proterozoic East Gondwana: Supercontinent Assembly and Breakup. Geological Society of London. pp. 142–. ISBN 978-1-86239-125-3. Alok Krishna Gupta, Pulak Sengupta (coauthor) (6 October 2011). Physics and Chemistry of the Earth's Interior: Crust, Mantle and Core. Springer Science & Business Media. pp. 28–. ISBN 978-1-4419-0346-4. Rajesh Srivastava, Pulak Sengupta (coauthor) (22 March 2011). Dyke Swarms: Keys for Geodynamic Interpretation. Springer Science & Business Media. pp. 22–. ISBN 978-3-642-12496-9. Soumyajit Mukherjee; Kieran F. Mulchrone, Pulak Sengupta (coauthor) (21 December 2015). Ductile Shear Zones: From Micro- to Macro-scales. John Wiley & Sons. pp. 141–. ISBN 978-1-118-84496-0.

Articles Bhui, Uttam K.; Sengupta, Pulak; Sengupta, Pranesh (2007). "Phase relations in mafic dykes and their host rocks from Kondapalle, Andhra Pradesh, India: Implications for the time-depth trajectory of the Palaeoproterozoic (late Archaean?) granulites from southern Eastern Ghats Belt". Precambrian Research. 156 (3–4): 153–174. Bibcode:2007PreR..156..153B. doi:10.1016/j.precamres.2007.03.005. Raith, Michael M.; Sengupta, Pulak; Kooijman, Ellen; Upadhyay, Dewashish; Srikantappa, C. (2010). "Corundum-leucosome-bearing aluminous gneiss from Ayyarmalai, Southern Granulite Terrain, India: A textbook example of vapor phase-absent muscovite-melting in silica-undersaturated aluminous rocks". American Mineralogist. 95 (7): 897–907. Bibcode:2010AmMin..95..897R. doi:10.2138/am.2010.3399. S2CID 54610668. Somnath Dasgupta, Jürgen Ehl, Michael M. Raith, Pulak Sengupta, Pranesh Sengupta (1997). "Mid-crustal contact metamorphism around the Chimakurthy mafic-ultramafic complex, Eastern Ghats Belt, India". Contributions to Mineralogy and Petrology. 129 (2): 182–197. Bibcode:1997CoMP..129..182D. doi:10.1007/s004100050331. S2CID 131612494.{{cite journal}}: CS1 maint: multiple names: authors list (link) Maitrayee Chakraborty, Nandini Sengupta, Sayan Biswas, Pulak Sengupta (2014). "Phosphate minerals as a recorder of P-T-fluid regimes of metamorphic belts: example from the Palaeoproterozoic Singhbhum Shear Zone of the East Indian shield". International Geology Review. 57 (11–12): 1619–1632. doi:10.1080/00206814.2014.982216. S2CID 128921867.{{cite journal}}: CS1 maint: multiple names: authors list (link) Maitrayee Chakraborty, Sayan Biswas, Nandini Sengupta, Pulak Sengupta (2014). "First Report of Florencite from the Singhbhum Shear Zone of the East Indian Craton". International Journal of Mineralogy. 2014: 1–8. doi:10.1155/2014/978793.{{cite journal}}: CS1 maint: multiple names: authors list (link)

Worked examples

Example 1 — a first encounter with Pulak Sengupta

Start with the simplest possible case. Write down what Pulak Sengupta 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 Pulak Sengupta 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 Pulak Sengupta 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 Pulak Sengupta

In research: Pulak Sengupta 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 Pulak Sengupta 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: Pulak Sengupta is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1963 births, 20th-century Indian earth scientists, 21st-century Indian geologists, so understanding it makes those chapters shorter.
In everyday life: Look for Pulak Sengupta 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 Pulak Sengupta in 20 minutes

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

Frequently asked questions

What is Pulak Sengupta in simple terms?

Why does Pulak Sengupta 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 Pulak Sengupta?

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 Pulak Sengupta.