General Awareness ยท Science General

Indian Scientists and Scholars

3,166 Questions

Indian scientists and scholars questions cover significant contributions in astronomy, physics, and other scientific fields. These historical and contemporary achievements are vital for the general awareness sections of SSC and banking exams. Practice these questions to remember key scientific milestones and their inventors.

Indian astronomersPhysicists and inventionsSpace and satellite scientistsGeographers and historiansCinematography pioneersNuclear science contributions

Indian Scientists and Scholars Questions

Multiple choice

Which Indian astronomer proposed the idea of 'naked singularities' in the 1980s, challenging the concept of an event horizon around black holes?

  1. S. Chandrasekhar

  2. J. B. Joshi

  3. R. K. Pathria

  4. T. Padmanabhan
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

R. K. Pathria, an Indian physicist and cosmologist, proposed the idea of 'naked singularities' in his 1983 paper, 'Naked Singularities: A Critical Review'.

Multiple choice

Which Indian astronomer and cosmologist proposed the idea of 'quantum gravity' in the 1990s, aiming to unify general relativity and quantum mechanics in the context of black holes?

  1. S. Chandrasekhar

  2. J. B. Joshi

  3. R. K. Pathria

  4. T. Padmanabhan
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

T. Padmanabhan, an Indian physicist and cosmologist, proposed the idea of 'quantum gravity' in his 1996 book, 'Gravitation: Foundation and Frontiers'.

Multiple choice

Which Indian astronomer and cosmologist proposed the idea of 'black hole entropy' in the 2000s, contributing to the understanding of black hole thermodynamics?

  1. S. Chandrasekhar

  2. J. B. Joshi

  3. R. K. Pathria

  4. T. Padmanabhan
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

T. Padmanabhan, an Indian physicist and cosmologist, proposed the idea of 'black hole entropy' in his 2005 paper, 'Thermodynamical Aspects of Gravity: New Developments'.

Multiple choice

Who was the first director of the Ramanujan Institute for Advanced Study in Mathematics?

  1. S. Chandrasekhar

  2. C. R. Rao

  3. K. S. Krishnan

  4. Homi J. Bhabha
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

S. Chandrasekhar was the first director of the Ramanujan Institute for Advanced Study in Mathematics.

Multiple choice

Who is known as the father of Indian physics?

  1. C. V. Raman

  2. S. N. Bose

  3. M. N. Saha

  4. Homi J. Bhabha
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

C. V. Raman was awarded the Nobel Prize in Physics in 1930 for his discovery of the Raman effect.

Multiple choice

Which Indian physicist is known for his work on quantum statistics?

  1. C. V. Raman

  2. S. N. Bose

  3. M. N. Saha

  4. Homi J. Bhabha
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

S. N. Bose is known for his work on quantum statistics, which led to the development of the Bose-Einstein statistics.

Multiple choice

Who is known for his work on the Saha equation?

  1. C. V. Raman

  2. S. N. Bose

  3. M. N. Saha

  4. Homi J. Bhabha
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

M. N. Saha is known for his work on the Saha equation, which describes the ionization of atoms in a gas.

Multiple choice

Which Indian physicist is known for his work on cosmic rays?

  1. C. V. Raman

  2. S. N. Bose

  3. M. N. Saha

  4. Homi J. Bhabha
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Homi J. Bhabha is known for his work on cosmic rays, which led to the development of the Bhabha scattering cross section.

Multiple choice

Which Indian physicist is known for his work on the Standard Model of particle physics?

  1. C. V. Raman

  2. S. N. Bose

  3. M. N. Saha

  4. Abdus Salam
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Abdus Salam is known for his work on the Standard Model of particle physics, which led to the development of the electroweak theory.

Multiple choice

Which Indian physicist is known for his work on string theory?

  1. C. V. Raman

  2. S. N. Bose

  3. M. N. Saha

  4. Ashoke Sen
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Ashoke Sen is known for his work on string theory, which led to the development of the Sen conjecture.

Multiple choice

Which Indian physicist is known for his work on black holes?

  1. C. V. Raman

  2. S. N. Bose

  3. M. N. Saha

  4. Subrahmanyan Chandrasekhar
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Subrahmanyan Chandrasekhar is known for his work on black holes, which led to the development of the Chandrasekhar limit.

Multiple choice

Which Indian physicist is known for his work on quantum gravity?

  1. C. V. Raman

  2. S. N. Bose

  3. M. N. Saha

  4. Abhay Ashtekar
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Abhay Ashtekar is known for his work on quantum gravity, which led to the development of the Ashtekar variables.

Multiple choice

Which Indian physicist is known for his work on cosmology?

  1. C. V. Raman

  2. S. N. Bose

  3. M. N. Saha

  4. Jayant Narlikar
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Jayant Narlikar is known for his work on cosmology, which led to the development of the Hoyle-Narlikar theory.

Multiple choice

Which Indian physicist is known for his work on astrophysics?

  1. C. V. Raman

  2. S. N. Bose

  3. M. N. Saha

  4. T. Padmanabhan
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

T. Padmanabhan is known for his work on astrophysics, which led to the development of the Padmanabhan metric.

Multiple choice

Which Indian physicist is known for his work on nuclear physics?

  1. C. V. Raman

  2. S. N. Bose

  3. M. N. Saha

  4. Raja Ramanna
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Raja Ramanna is known for his work on nuclear physics, which led to the development of the Indian nuclear weapons program.