Question 1

Who is known as the 'Missile Man of India' for his work on ballistic missile technology?

Accepted Answer

A.P.J. Abdul Kalam. Dr. A.P.J. Abdul Kalam played a leading role in the development of India's missile programs, Agni and Prithvi. He also served as the 11th President of India from 2002 to 2007. His scientific leadership transitioned India into a global missile power.

Question 2

Which scientist is recognized as the 'Father of the Indian Nuclear Program'?

Accepted Answer

Homi J. Bhabha. Homi J. Bhabha was the founding director of the Tata Institute of Fundamental Research and the Atomic Energy Establishment, Trombay. He formulated the three-stage nuclear power programme to utilize India's thorium reserves. He also served as the first chairman of the Atomic Energy Commission.

Question 3

Who founded the Indian Space Research Organization (ISRO) and is hailed as the 'Father of Indian Space Program'?

Accepted Answer

Vikram Sarabhai. Vikram Sarabhai initiated space research in India and helped establish the Thumba Equatorial Rocket Launching Station. He convinced the government of the importance of a space program for a developing nation. Sarabhai was also a key figure in the establishment of the Indian Institute of Management Ahmedabad.

Question 4

C.V. Raman won the Nobel Prize in Physics in 1930 for his discovery of which phenomenon?

Accepted Answer

The Raman Effect. The Raman Effect describes the change in the wavelength of light that occurs when a light beam is deflected by molecules. This discovery provided a new tool for studying the structure of molecules. February 28 is celebrated as National Science Day in India to mark this discovery.

Question 5

Which Indian scientist is known for the development of the 'Saha Ionization Equation' in astrophysics?

Accepted Answer

Meghnad Saha. Meghnad Saha's equation describes the chemical and physical conditions in stars based on their spectra. This work allowed astronomers to determine the temperatures and chemical compositions of stellar atmospheres. He was also instrumental in the planning of the Damodar Valley Project.

Modern Scientists — Set 1