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Topic 356 · Awards, Honours, Persons & Appointments

Ashoke Sen wins Oskar Klein Medal

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Revise the 12 points first Book 1 RATNA
  1. Core Trigger: Ashoke Sen delivered the Oskar Klein Memorial Lecture at Stockholm University on 22 October 2026, becoming the first Indian ever to win the medal.
  2. Recognised Field: He is recognised for string theory, S-duality and black-hole entropy, central areas of theoretical physics.
  3. Current Post: Sen holds the Infosys Madhava Chair Professorship at ICTS-TIFR, Bengaluru.
  4. Namesake: The medal honours the Swedish physicist Oskar Klein.
  5. Past Winners: Earlier recipients include the Nobel laureates Steven Weinberg and Hans Bethe.
  6. Stakeholders: Stockholm University, which hosts the medal lecture, and ICTS Bengaluru, Sen's home institute, are the key institutions.
  7. India Link: Sen is the first Indian to receive the medal, lifting India's profile in fundamental physics and recognising decades of work by an Indian institute.
  8. Venue: The lecture took place at Stockholm University, Stockholm, Sweden.
  9. Founded: The Oskar Klein Medal was established in 1988.
  10. Earlier Honour: Sen was among the first recipients of the Fundamental Physics Prize in 2012.
  11. Parent Body: ICTS is part of the Tata Institute of Fundamental Research (TIFR).
  12. Key Term: String theory models fundamental particles as tiny vibrating strings; S-duality relates strong and weak coupling regimes.
Question 1 of 10

On what date did Ashoke Sen deliver the Oskar Klein Memorial Lecture?

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Answer: (C) 22 October 2026

Core Trigger: Ashoke Sen delivered the Oskar Klein Memorial Lecture at Stockholm University on 22 October 2026, becoming the first Indian ever to win the medal.From Book 1 RATNA, topic 356, point 1

Question 2 of 10

Which field is Sen recognised for, alongside S-duality and black-hole entropy?

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Answer: (D) String theory

Recognised Field: He is recognised for string theory, S-duality and black-hole entropy, central areas of theoretical physics.From Book 1 RATNA, topic 356, point 2

Question 3 of 10

Which professorship does Sen hold at ICTS?

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Answer: (C) Infosys Madhava Chair

Current Post: Sen holds the Infosys Madhava Chair Professorship at ICTS-TIFR, Bengaluru.From Book 1 RATNA, topic 356, point 3

Question 4 of 10

The Oskar Klein Medal honours a physicist of which nationality?

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Answer: (D) Swedish

Namesake: The medal honours the Swedish physicist Oskar Klein.From Book 1 RATNA, topic 356, point 4

Question 5 of 10

1. Steven Weinberg is an earlier recipient of the medal. 2. Stephen Hawking is an earlier recipient. Which is/are correct?

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Answer: (A) Only 1

Past Winners: Earlier recipients include the Nobel laureates Steven Weinberg and Hans Bethe.From Book 1 RATNA, topic 356, point 5

Question 6 of 10

Sen's home institute, ICTS, is located in which city?

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Answer: (B) Bengaluru

Stakeholders: Stockholm University, which hosts the medal lecture, and ICTS Bengaluru, Sen's home institute, are the key institutions.From Book 1 RATNA, topic 356, point 6

Question 7 of 10

At which university did the lecture take place?

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Answer: (B) Stockholm University

Venue: The lecture took place at Stockholm University, Stockholm, Sweden.From Book 1 RATNA, topic 356, point 8

Question 8 of 10

In which year was the Oskar Klein Medal established?

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Answer: (C) 1988

Founded: The Oskar Klein Medal was established in 1988.From Book 1 RATNA, topic 356, point 9

Question 9 of 10

Sen was among the first recipients of which prize in 2012?

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Answer: (B) Fundamental Physics Prize

Earlier Honour: Sen was among the first recipients of the Fundamental Physics Prize in 2012.From Book 1 RATNA, topic 356, point 10

Question 10 of 10

ICTS is part of which institute?

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Answer: (A) Tata Institute of Fundamental Research

Parent Body: ICTS is part of the Tata Institute of Fundamental Research (TIFR).From Book 1 RATNA, topic 356, point 11

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