General Awareness ยท Science General
Indian Scientists and Scholars
2,899 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.
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Indian Scientists and Scholars Questions
Which Indian scientist is known for his work on the Saha ionization equation?
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Homi J. Bhabha
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C. V. Raman
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S. N. Bose
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Meghnad Saha
D
Correct answer
Explanation
Meghnad Saha is known for his work on the Saha ionization equation. He was an Indian astrophysicist who made significant contributions to the field of astrophysics and is considered one of the pioneers of the field in India.
Which Indian scientist is known for his work on the Raman effect?
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Homi J. Bhabha
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C. V. Raman
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S. N. Bose
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Meghnad Saha
B
Correct answer
Explanation
C. V. Raman is known for his work on the Raman effect. He was an Indian physicist who made significant contributions to the field of optics and is considered one of the pioneers of the field in India.
Which Indian scientist is known for his work on the neutrino?
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Homi J. Bhabha
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C. V. Raman
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S. N. Bose
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Raja Ramanna
D
Correct answer
Explanation
Raja Ramanna is known for his work on the neutrino. He was an Indian physicist who made significant contributions to the field of nuclear physics and is considered one of the pioneers of the field in India.
Which Indian scientist is known for his work on the cosmic microwave background?
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Homi J. Bhabha
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C. V. Raman
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S. N. Bose
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Subrahmanyan Chandrasekhar
D
Correct answer
Explanation
Subrahmanyan Chandrasekhar is known for his work on the cosmic microwave background. He was an Indian-American astrophysicist who made significant contributions to the field of astrophysics and is considered one of the pioneers of the field in India.
Which Indian scientist is known for his work on the Higgs boson?
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Homi J. Bhabha
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C. V. Raman
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S. N. Bose
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Pankaj Sharma
D
Correct answer
Explanation
Pankaj Sharma is known for his work on the Higgs boson. He is an Indian physicist who made significant contributions to the discovery of the Higgs boson at the Large Hadron Collider at CERN.
Which Indian scientist is known for his work on the gravitational waves?
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Homi J. Bhabha
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C. V. Raman
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S. N. Bose
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B. S. Sathyaprakash
D
Correct answer
Explanation
B. S. Sathyaprakash is known for his work on the gravitational waves. He is an Indian physicist who made significant contributions to the detection of gravitational waves at the Laser Interferometer Gravitational-Wave Observatory (LIGO).
Who is widely regarded as the father of Indian astrophysics?
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Meghnad Saha
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Subrahmanyan Chandrasekhar
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Vikram Sarabhai
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Homi J. Bhabha
A
Correct answer
Explanation
Meghnad Saha's pioneering work on stellar atmospheres and ionization processes laid the foundation for modern astrophysics in India.
Which Indian astrophysicist proposed the theory of black holes?
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Subrahmanyan Chandrasekhar
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Meghnad Saha
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Vikram Sarabhai
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Homi J. Bhabha
A
Correct answer
Explanation
Subrahmanyan Chandrasekhar's groundbreaking work on the theory of black holes and white dwarfs earned him the Nobel Prize in Physics in 1983.
Which Indian astrophysicist made significant contributions to the theory of cosmic rays?
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Homi J. Bhabha
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Subrahmanyan Chandrasekhar
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Vikram Sarabhai
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Meghnad Saha
A
Correct answer
Explanation
Homi J. Bhabha's work on cosmic rays and the theory of elementary particles earned him international recognition and established India as a major player in high-energy physics.
Which Indian astrophysicist proposed the theory of neutrino oscillations?
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Subrahmanyan Chandrasekhar
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Homi J. Bhabha
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Vikram Sarabhai
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B. Pontecorvo
D
Correct answer
Explanation
B. Pontecorvo, an Italian-born physicist who worked in India, proposed the theory of neutrino oscillations, which explains the phenomenon of neutrinos changing their flavor as they travel.
Which Indian astrophysicist is known for his work on the theory of gravitational waves?
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Subrahmanyan Chandrasekhar
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Homi J. Bhabha
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Vikram Sarabhai
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C. V. Vishveshwara
D
Correct answer
Explanation
C. V. Vishveshwara made significant contributions to the theory of gravitational waves, including his work on the Vishveshwara metric, which describes the gravitational field of a rotating black hole.
Which Indian astrophysicist is known for his work on the theory of cosmic strings?
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Subrahmanyan Chandrasekhar
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Homi J. Bhabha
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Vikram Sarabhai
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T. W. B. Kibble
D
Correct answer
Explanation
T. W. B. Kibble, a British-born physicist who worked in India, is known for his work on the theory of cosmic strings, which are hypothetical one-dimensional objects predicted by some theories of particle physics.
Which Indian astrophysicist is known for his work on the theory of black hole accretion disks?
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Subrahmanyan Chandrasekhar
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Homi J. Bhabha
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Vikram Sarabhai
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Sandip K. Chakrabarti
D
Correct answer
Explanation
Sandip K. Chakrabarti is known for his work on the theory of black hole accretion disks, which are regions of intense gas and radiation surrounding black holes.
Which Indian astrophysicist is known for his work on the theory of gravitational lensing?
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Subrahmanyan Chandrasekhar
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Homi J. Bhabha
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Vikram Sarabhai
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R. K. Pathria
D
Correct answer
Explanation
R. K. Pathria is known for his work on the theory of gravitational lensing, which describes the bending of light around massive objects due to their gravitational fields.
Which Indian astronomer played a significant role in the discovery of the first extrasolar planet orbiting a Sun-like star?
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Govind Swarup
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Jayant Narlikar
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Arvind Bhatnagar
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R. C. Kapoor
D
Correct answer
Explanation
R. C. Kapoor, an Indian astronomer, was part of the team that discovered the first extrasolar planet orbiting a Sun-like star, 51 Pegasi b, in 1995.