Railway Science (Science and Technology – Famous Scientists)

Total Questions: 10

1. Who is known as the Father of India‘s Space Programme? [RRB NTPC CBT - I (07/01/2021) Morning]

Correct Answer: (c) Vikram Sarabhai
Solution:

Vikram Sarabhai:- He was an Indian physicist and astronomer who initiated space research and helped develop nuclear power in India. Founded the Physical Research Laboratory (PRL) in Ahmedabad (1947). Awards: Padma Bhushan in 1966. Padma Vibhushan (Posthumously) in 1972.

2. Who was the first woman of Indian descent to go to space? [RRB NTPC CBT - I (09/01/2021) Evening]

Correct Answer: (b) Kalpana Chawla
Solution:

Kalpana Chawla - She died on 1 February 2003 in the Columbia space shuttle disaster. Sunita Williams - Astronaut of Indian origin having the record of spending 195 days in space also has record of most spacewalk time by female - 50 hours 40 minutes. Shawna Pandey - Astronaut of Indian origin. She was on the first crew to test a commercial spacesuit in zero gravity in 2015.

3. Who is regarded as the father of the Indian Nuclear Program? [RRB NTPC CBT - I (10/01/2021) Evening]

Correct Answer: (b) Dr Homi Bhabha
Solution:

Founder of Bhabha Atomic Research Centre (BARC): Formation - 3 January 1954, Headquarters - (Trombay) Mumbai. A.P.J Abdul Kalam - 11th President of India, he is popularly known as “Missile Man Of India”.
Raja Ramanna - He made contributions in the field of neutron thermalisation and reactor design, and he supervised India’s First Nuclear explosion test on 18th May,1974 (Operation Smiling Buddha).

4. Astrophysicist _______, who first theorized the existence of the solar wind in 1958, became the first living individual after which Nasa named a Spacecraft. [RRB NTPC CBT - I (16/01/2021) Morning]

Correct Answer: (a) Eugene Parker
Solution:

Elon Musk is the CEO of both Tesla and SpaceX. Johannes Kepler formulated the three laws of planetary motion. Carl Sagan was one of the most well-known scientists who hosted 'Cosmos: A Personal Voyage’.

5. Which of the following is not related to the Indian space program? [RRB NTPC CBT - I (16/01/2021) Evening]

Correct Answer: (a) Satyendra Nath Bose
Solution:

Satyendra Nath Bose (fellow of royal society) is famous for "Bose-Einstein Theory" and a kind of particle in an atom has been named after his name as Boson. Award - Padma Vibhushan (1954).

6. Which of the following scientists have no contribution in the Nuclear field in India? [RRB NTPC CBT - I (18/01/2021) Evening]

Correct Answer: (a) C N R Rao
Solution:

C N R Rao (Indian chemist): Worked mainly in solid-state and structural chemistry. Sekhar Basu: Credited for his efforts in building the nuclear reactor for India's first nuclear powered submarine INS Arihant.

7. Who was the Chairman of Atomic Energy Commission at the time of India’s First nuclear Test at Pokhran in 1974 ? [RRB NTPC CBT - I (19/01/2021) Evening]

Correct Answer: (c) Homi Sethna
Solution:

The test was codenamed 'Smiling Buddha'. Rajagopala Chidambaram is an Indian physicist who coordinated the Pokhran - I and Pokhran - II test preparations. Atomic Energy Commission: Founded - 3 August 1948, Headquarters - Mumbai, First Chairman - Dr. Homi Bhabha, Ministry - Department of Atomic Energy (DAE), Government of India.

8. Who predicted ‘nuclear technology is going to be very essential and not just in the power sector but for other societal uses intended for the betterment of life? [RRB NTPC CBT - I (21/01/2021) Morning]

Correct Answer: (a) Homi J Bhabha
Solution:

Homi J Bhabha (Father of the Indian nuclear program). In 1948, he was appointed as the first Chairman of The Atomic Energy Commission of India. APJ Abdul Kalam (Missile man of India) - 11th president of India (2002 to 2007). JC Bose discovered wireless communication and was named the Father of Radio Science by the Institute of Electrical and Electronics Engineering. Sir CV Raman (received the Nobel prize in 1930) discovered the Raman Effect according to which the light changes its wavelength and frequency when it gets deflected by molecules.

9. Who was the chairman of ISRO when Chandrayaan -1 was launched? [RRB NTPC CBT - I (29/01/2021) Morning]

Correct Answer: (b) G Madhavan Nair
Solution:

Chandrayaan-1 - Launch date - 22 October 2008. Rocket - PSLV-XL C11. Launch site - Satish Dhawan Space Centre, Sriharikota in Andhra Pradesh. Last contact - 28 August 2009. Mission type - Lunar orbiter. launched by - Indian Space Research Organisation.
Chandrayaan-2 - Launch date - 22 July 2019. Rocket - GSLV Mk III. Chairman at that time - K. Sivan. Chandrayaan-3 - Launch date - 14 July 2023. Rocket - LVM3 M4. Chairman at that time - S Somanath.

10. Who was the founding director of BARC Mumbai? [RRB NTPC CBT - I (10/02/2021) Evening]

Correct Answer: (a) Homi Jehangir Bhabha
Solution:

Homi Jehangir Bhabha. He was a nuclear physicist and also the chairman of the Atomic Energy Commission of India. He was awarded the Adams Prize (1942) and Padma Bhushan (1954).