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.

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

Indian Scientists and Scholars Questions

Multiple choice

The discovery of the Raman effect led to the development of which important spectroscopic technique?

  1. Nuclear Magnetic Resonance (NMR) Spectroscopy

  2. Electron Spin Resonance (ESR) Spectroscopy

  3. Infrared (IR) Spectroscopy

  4. Raman Spectroscopy
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Raman effect, discovered by C. V. Raman, is the inelastic scattering of light by molecules, resulting in a change in the frequency of the scattered light. This phenomenon is the basis of Raman Spectroscopy, a powerful technique used to study the vibrational, rotational, and electronic states of molecules.

Multiple choice

Which Indian physicist proposed the Bose-Einstein 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 credited with proposing the Bose-Einstein statistics, which describes the behavior of particles with integer spin (known as bosons) and led to the development of Bose-Einstein condensation theory.

Multiple choice

M. N. Saha's work on stellar atmospheres led to the development of the:

  1. Saha equation

  2. Bose-Einstein statistics

  3. Raman effect

  4. Fermi-Dirac statistics
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

M. N. Saha developed the Saha equation, which describes the ionization and excitation of atoms and ions in stellar atmospheres. This equation is crucial for understanding the composition and behavior of stars.

Multiple choice

Homi J. Bhabha is known for his contributions to:

  1. Nuclear physics

  2. Particle physics

  3. Astrophysics

  4. Solid-state physics
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Homi J. Bhabha made significant contributions to particle physics, particularly in the areas of cosmic rays, nuclear interactions, and the development of quantum electrodynamics.

Multiple choice

Which Indian physicist is known for his work on neutrinos?

  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 conducted pioneering research on neutrinos, contributing to the understanding of their properties and interactions.

Multiple choice

Which Indian scientist is credited with discovering the first extrasolar planet?

  1. C. V. Raman

  2. Homi J. Bhabha

  3. Vikram Sarabhai

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

Subrahmanyan Chandrasekhar was an Indian-American astrophysicist who won the Nobel Prize in Physics in 1983 for his work on the theory of white dwarf stars.

Multiple choice

What is the name of the Indian astronomer who is credited with developing the theory of black holes?

  1. Subrahmanyan Chandrasekhar

  2. Homi J. Bhabha

  3. Vikram Sarabhai

  4. C. V. Raman
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Subrahmanyan Chandrasekhar was an Indian-American astrophysicist who won the Nobel Prize in Physics in 1983 for his work on the theory of white dwarf stars. He also developed the theory of black holes, which was later confirmed by observations.

Multiple choice

Which Indian astronomer is known for his work on the theory of cosmic inflation?

  1. Subrahmanyan Chandrasekhar

  2. Homi J. Bhabha

  3. Vikram Sarabhai

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

Ashoke Sen is an Indian physicist who is known for his work on the theory of cosmic inflation. He is a professor at the Harish-Chandra Research Institute in Allahabad, India.

Multiple choice

What is the name of the Indian astronomer who is credited with discovering the first evidence of gravitational waves?

  1. Subrahmanyan Chandrasekhar

  2. Homi J. Bhabha

  3. Vikram Sarabhai

  4. B. P. Abbott
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

B. P. Abbott is an Indian-American physicist who is credited with discovering the first evidence of gravitational waves. He is a professor at the Massachusetts Institute of Technology (MIT) in Cambridge, Massachusetts.

Multiple choice

Which Indian astronomer is known for his work on the theory of supersymmetry?

  1. Subrahmanyan Chandrasekhar

  2. Homi J. Bhabha

  3. Vikram Sarabhai

  4. Arvind Borde
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Arvind Borde is an Indian-American physicist who is known for his work on the theory of supersymmetry. He is a professor at the University of California, Santa Barbara (UCSB) in Santa Barbara, California.

Multiple choice

What is the name of the Indian astronomer who is credited with developing the theory of the multiverse?

  1. Subrahmanyan Chandrasekhar

  2. Homi J. Bhabha

  3. Vikram Sarabhai

  4. Paul Steinhardt
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Paul Steinhardt is an American physicist who is credited with developing the theory of the multiverse. He is a professor at Princeton University in Princeton, New Jersey.

Multiple choice

Which Indian astronomer is known for his work on the theory of quantum gravity?

  1. Subrahmanyan Chandrasekhar

  2. Homi J. Bhabha

  3. Vikram Sarabhai

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

Abhay Ashtekar is an Indian-American physicist who is known for his work on the theory of quantum gravity. He is a professor at the Pennsylvania State University (PSU) in University Park, Pennsylvania.

Multiple choice

What is the name of the Indian astronomer who is credited with discovering the first evidence of dark energy?

  1. Subrahmanyan Chandrasekhar

  2. Homi J. Bhabha

  3. Vikram Sarabhai

  4. Saul Perlmutter
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Saul Perlmutter is an American astrophysicist who is credited with discovering the first evidence of dark energy. He is a professor at the University of California, Berkeley (UCB) in Berkeley, California.

Multiple choice

Which Indian astronomer is known for his work on the theory of cosmic strings?

  1. Subrahmanyan Chandrasekhar

  2. Homi J. Bhabha

  3. Vikram Sarabhai

  4. Tanmay Vachaspati
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Tanmay Vachaspati is an Indian-American physicist who is known for his work on the theory of cosmic strings. He is a professor at the Arizona State University (ASU) in Tempe, Arizona.

Multiple choice

What is the name of the Indian astronomer who is credited with discovering the first evidence of gravitational lensing?

  1. Subrahmanyan Chandrasekhar

  2. Homi J. Bhabha

  3. Vikram Sarabhai

  4. James Gunn
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

James Gunn is an American astronomer who is credited with discovering the first evidence of gravitational lensing. He is a professor at Princeton University in Princeton, New Jersey.