General Awareness · 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.
Indian astronomersPhysicists and inventionsSpace and satellite scientistsGeographers and historiansCinematography pioneersNuclear science contributions
Indian Scientists and Scholars Questions
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Columbia
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Discovery,
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Challenger
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Endeavour
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Explanation
Kalpana Chawla was the first woman of Indian origin in space. She flew on the Space Shuttle Columbia during her first mission in 1997 and tragically died during its final flight in 2003.
Which of the following scientists is known for his outstanding work in the genetic code?
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Satyendra Nath Bose
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Vikram Sarabhai
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Srinivasa Ramanujan
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Har Gobind Khorana
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Explanation
Har Gobind Khorana was a biochemist who shared the 1968 Nobel Prize in Physiology or Medicine for his work on the interpretation of the genetic code and its function in protein synthesis.
Which Indian scientist is known for his crucial role in the development of Indias missile and nuclear weapons programmes?
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A. P. J. Abdul Kalam
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C. V. Raman
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Jagadish Chandra Bose
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Har Gobind Khorana
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A.P.J Abdul Kalam aka Missile Man, is known for hi crucial role in development of Indian missiles and nuclear weapons programmes.
Which Indian astrophysicist is renowned for his work on black holes and gravitational waves?
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Subrahmanyan Chandrasekhar
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Vikram Sarabhai
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Homi J. Bhabha
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Meghnad Saha
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Explanation
Subrahmanyan Chandrasekhar was an Indian-American astrophysicist who made significant contributions to the study of black holes and gravitational waves. He received the Nobel Prize in Physics in 1983 for his work on the theory of white dwarf stars.
Who is considered the father of Indian space research?
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Vikram Sarabhai
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Homi J. Bhabha
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Meghnad Saha
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C. V. Raman
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Vikram Sarabhai is widely regarded as the father of Indian space research. He was the founder and first chairman of the Indian Space Research Organization (ISRO) and played a pivotal role in establishing India's space program.
Which Indian astronomer developed the Saha ionization equation, which describes the ionization of atoms in stellar atmospheres?
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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
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Meghnad Saha was an Indian astrophysicist who developed the Saha ionization equation, which describes the ionization of atoms in stellar atmospheres. This equation is a fundamental tool in understanding the composition and structure of stars.
Which Indian scientist is known for his work on cosmic rays and the discovery of the Compton effect?
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C. V. Raman
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Homi J. Bhabha
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Meghnad Saha
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Vikram Sarabhai
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Explanation
C. V. Raman was an Indian physicist who won the Nobel Prize in Physics in 1930 for his work on the scattering of light, known as the Raman effect. He also made significant contributions to the study of cosmic rays.
Which Indian astronomer is known for his work on stellar evolution and the theory of white dwarf stars?
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Subrahmanyan Chandrasekhar
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Vikram Sarabhai
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Homi J. Bhabha
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Meghnad Saha
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Explanation
Subrahmanyan Chandrasekhar was an Indian-American astrophysicist who made significant contributions to the study of stellar evolution and the theory of white dwarf stars. He received the Nobel Prize in Physics in 1983 for his work.
Who is considered the father of modern Indian cosmology?
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Aryabhata
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Bhaskara II
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Srinivasa Ramanujan
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Meghnad Saha
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Meghnad Saha, a renowned Indian astrophysicist, is widely regarded as the father of modern Indian cosmology for his pioneering work in stellar astrophysics and the development of the Saha ionization equation.
Which Indian astronomer proposed the idea of a pulsating universe?
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Subrahmanyan Chandrasekhar
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Vikram Sarabhai
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Harish-Chandra
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Jayant Narlikar
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Explanation
Jayant Narlikar, an eminent Indian cosmologist, is known for his work on the oscillatory universe model, also known as the Hoyle-Narlikar theory, which proposes that the universe undergoes a cycle of expansion and contraction.
Which Indian astronomer made significant contributions to the study of black holes and gravitational waves?
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C.V. Raman
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Homi J. Bhabha
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Raja Ramanna
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Abhay Ashtekar
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Explanation
Abhay Ashtekar, a renowned Indian physicist, is known for his work on loop quantum gravity, a theory that attempts to unify general relativity and quantum mechanics, and for his contributions to the study of black holes and gravitational waves.
Who is known for his work on the theory of cosmic inflation?
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Subrahmanyan Chandrasekhar
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Vikram Sarabhai
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Harish-Chandra
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Alan Guth
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Explanation
Alan Guth, an American cosmologist, is credited with developing the theory of cosmic inflation, which proposes a period of rapid expansion in the early universe that explains the observed homogeneity and isotropy of the cosmos.
Which Indian astronomer is known for his work on the evolution of galaxies?
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Subrahmanyan Chandrasekhar
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Vikram Sarabhai
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Harish-Chandra
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T. Padmanabhan
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Explanation
T. Padmanabhan, a renowned Indian cosmologist, is known for his work on the evolution of galaxies, black hole physics, and the thermodynamics of gravity.
Which Indian astronomer is known for his work on the large-scale structure of the universe?
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Subrahmanyan Chandrasekhar
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Vikram Sarabhai
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Harish-Chandra
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R.K. Sheth
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Explanation
R.K. Sheth, an Indian cosmologist, is known for his work on the large-scale structure of the universe, including the formation and evolution of galaxies and galaxy clusters.
Which Indian astronomer is known for his work on the cosmic microwave background radiation?
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Subrahmanyan Chandrasekhar
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Vikram Sarabhai
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Harish-Chandra
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P.C. Vaidya
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Explanation
P.C. Vaidya, an Indian physicist and cosmologist, is known for his work on the cosmic microwave background radiation and the Vaidya metric, which describes the spacetime around a radiating star.