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
Who is known for his work on the scattering of X-rays by crystals?
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C.V. Raman
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S.N. Bose
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J.C. Bose
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C.V. Raman
A,D
Correct answer
Explanation
C.V. Raman is known for his work on the scattering of X-rays by crystals, which is known as the Raman effect.
Which Indian physicist developed the theory of superfluidity?
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C.V. Raman
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S.N. Bose
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J.C. Bose
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M.N. Saha
B
Correct answer
Explanation
S.N. Bose developed the theory of superfluidity, which describes the behavior of certain liquids at very low temperatures.
Who is known for his work on the scattering of light by atoms?
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C.V. Raman
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S.N. Bose
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J.C. Bose
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M.N. Saha
A
Correct answer
Explanation
C.V. Raman is known for his work on the scattering of light by atoms, which is known as the Raman effect.
Which Indian physicist developed the theory of cosmic rays?
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C.V. Raman
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S.N. Bose
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J.C. Bose
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Homi J. Bhabha
D
Correct answer
Explanation
Homi J. Bhabha developed the theory of cosmic rays, which describes the properties and behavior of these high-energy particles.
Who is known for his work on the scattering of neutrons by atoms?
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C.V. Raman
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S.N. Bose
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J.C. Bose
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M.N. Saha
A
Correct answer
Explanation
C.V. Raman is known for his work on the scattering of neutrons by atoms, which is known as the Raman effect.
Which Indian physicist developed the theory of nuclear fission?
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C.V. Raman
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S.N. Bose
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J.C. Bose
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M.N. Saha
D
Correct answer
Explanation
M.N. Saha developed the theory of nuclear fission, which describes the process by which a nucleus splits into two or more smaller nuclei.
Who is known for his work on the scattering of electrons by atoms?
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C.V. Raman
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S.N. Bose
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J.C. Bose
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M.N. Saha
A
Correct answer
Explanation
C.V. Raman is known for his work on the scattering of electrons by atoms, which is known as the Raman effect.
Which Indian physicist developed the theory of nuclear fusion?
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C.V. Raman
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S.N. Bose
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J.C. Bose
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M.N. Saha
D
Correct answer
Explanation
M.N. Saha developed the theory of nuclear fusion, which describes the process by which two or more nuclei combine to form a single larger nucleus.
Who is known for his work on the scattering of protons by atoms?
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C.V. Raman
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S.N. Bose
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J.C. Bose
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M.N. Saha
A
Correct answer
Explanation
C.V. Raman is known for his work on the scattering of protons by atoms, which is known as the Raman effect.
Which Indian economist is known for his contributions to the theory of economic development and his emphasis on self-reliance?
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Amartya Sen
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Jagdish Bhagwati
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Manmohan Singh
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Mahalanobis
D
Correct answer
Explanation
Mahalanobis, an influential Indian economist, is known for his contributions to the theory of economic development, particularly his emphasis on self-reliance, balanced growth, and the importance of heavy industries in achieving economic progress.
Which Indian economist is known for his work on poverty and inequality and his development of the 'Sen Index'?
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Amartya Sen
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Jagdish Bhagwati
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Manmohan Singh
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Mahalanobis
A
Correct answer
Explanation
Amartya Sen, a Nobel laureate in Economics, is renowned for his work on poverty, inequality, and social choice theory. He developed the 'Sen Index', a measure of inequality that considers both income and non-income factors.
Which Indian economist is known for his work on economic reforms and his role in the liberalization of the Indian economy?
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Amartya Sen
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Jagdish Bhagwati
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Manmohan Singh
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Mahalanobis
C
Correct answer
Explanation
Manmohan Singh, a former Prime Minister of India, is known for his contributions to economic reforms and his role in liberalizing the Indian economy. He implemented policies that opened up the economy to foreign investment and trade, leading to significant economic growth.
Who is credited with developing the first comprehensive classification system for nebulae?
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Edwin Hubble
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William Herschel
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Subrahmanyan Chandrasekhar
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Meghnad Saha
A
Correct answer
Explanation
Edwin Hubble developed the first comprehensive classification system for nebulae in 1926, based on their appearance and morphological characteristics.
Which Indian astronomer made significant contributions to the understanding of planetary nebulae?
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Harinder Singh Ahluwalia
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Govind Swarup
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Vikram Sarabhai
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Jayant Narlikar
A
Correct answer
Explanation
Harinder Singh Ahluwalia conducted extensive research on planetary nebulae, contributing to the understanding of their structure, composition, and evolution.
Which Indian astronomer played a key role in the development of the Yerkes Classification System for nebulae?
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Subrahmanyan Chandrasekhar
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Govind Swarup
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Harinder Singh Ahluwalia
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Jayant Narlikar
A
Correct answer
Explanation
Subrahmanyan Chandrasekhar collaborated with Otto Struve in the development of the Yerkes Classification System for nebulae, which was based on their spectral characteristics.