Upto 60% Off on UPSC Online Courses

Avail Now
  »   Blog   »   Sir CV Raman: 135th Birth Anniversary –

Sir CV Raman: 135th Birth Anniversary – A Pioneer of Indian Science

PWOnlyIAS November 07, 2023 03:47 2770 0

Blogs UPSC Blogs

Context: The 135th birth anniversary of great Indian Physicist Sir CV Raman will be celebrated on 7th November 2023.

Sir CV Raman: 135th Birth Anniversary – A Pioneer of Indian Science

From Finance to Physics: The Journey of Sir CV Raman

  • Birth: Chandrasekhar Venkata Raman was born in Tiruchirappalli, Madras Presidency on 7 November, 1888. 

  • Education: He topped his undergraduate degree examination and won the gold medal in Physics at the University of Madras.
    • He obtained his Masters degree with the highest distinction from University of Madras.
  • Employment: He began his career as an Assistant Accountant General when he joined the Indian Finance Service in Kolkata.
    • However, he continued doing research at IACS (Indian Association for the Cultivation of Science).
  • Career Shift: He resigned from his government job in 1917 and accepted the offer of Palit Chair of Physics at Calcutta University.
  • Appointment in IISc: He was appointed as the Director of the Indian Institute of Science (IISc) in Bangalore in 1933. He served at the IISc till his retirement in 1948.

Sir CV Raman: Pioneering Contributions to Physics and Scientific Inquiry

  • Initial Research: He started research early in his student life. His first research paper, called “Unsymmetrical diffraction bands due to a rectangular aperture“, was published in 1906 while he was still a graduate student. 

Raman

  • Raman Effect: He developed a spectroscope and discovered that when light traverses a transparent material, the deflected light changes its wavelength and frequency.  
    • This unknown type of scattering of light, was named “modified scattering” was subsequently termed the Raman Effect or Raman scattering.
  • Acoustics: As a great admirer of musical instruments, He worked out the theory of transverse vibration of bowed string instruments based on superposition of velocities. 
    • He conducted studies of the acoustics of various violin and related instruments, including Indian stringed instruments. He performed experiments with mechanically performed violins.
    • His studies on the harmonic nature of the sounds of tabla and mridangam were the first such experiments on Indian percussions.
    • During his visit to England, he studied how sound travels in the Whispering Gallery of the dome of St Paul’s Cathedral in London.
  • Colour of Sea Water: He conducted observation of sea water using a spectroscope and Nicol prism. He came to the conclusion that the blue colour of sea water was not because of Rayleigh scattering.
    • Later, he conducted a full-fledged study on the sea water of Bay of Bengal to come to the conclusion that visible color of water is mainly attributed to the selective absorption of longer wavelengths of light in the red and orange regions of the spectrum, owing to overtones of the infrared absorbing O-H (oxygen and hydrogen combined) stretching modes of water molecules. 
  • Spectroscopic Behaviour of Crystals: He followed a new approach towards crystal dynamics in 1948 through his investigation of the Spectroscopic behavior of crystals.
    • Apart from studying composition and characteristics of the diamonds, he also studied various colourful materials, such as labradorite, agate, opal, and pearls.  
  • Angular Momentum: Along with his student, He discovered that light photons had angular momentum or spin. This angular momentum of EMR is shifted to the atoms that absorb it.
  • Scientific Institutions: He established the Raman Research Institute in Bengaluru in 1949 and became its first director.

Sir CV Raman: A Legacy of Scientific Excellence and Global Recognition

  • Nobel Prize in Physics: Sir CV Raman won the Nobel Prize in Physics for his work on the scattering of light and for the discovery of the Raman Effect in 1930.
    • With this honour, he became the first Indian, Asian and non-white individual to win a Nobel Prize for the sciences.
  • Fellow of Royal Society: Sir CV Raman was selected as a member of the “Royal Society of London” in 1924.
  • Bharat Ratna: In 1954, he was honoured with India’s highest civilian award, the Bharat Ratna.
  • Other Prizes: He also received several other awards including the Lenin Peace Prize and the Franklin Medal. He was presented with the Hughes Medal in 1930.
  • National Science Day: The Raman Effect was discovered on 28 February 1928. This day is celebrated annually as the National Science Day by the Government of India.

Insights and Wisdom: Notable Quotes by Sir CV Raman

  • “Success can come to you by courageous devotion to the task lying in front of you.”
  • “I strongly believe that fundamental science cannot be driven by instructional, industrial and government or military pressures.”
  • “I am the master of my failure. If I never fail, how will I ever learn?”
  • “Ask the right questions, and nature will open the door to her secrets.”
  • “If someone judges you, they are wasting space in their mind. Best part, it’s their problem.”
  • “The true wealth of a nation consists not in the stored-up gold but in the intellectual and physical strength of its people.”

Conclusion:

Sir CV Raman was a pioneer of experimental Physics in India. His contributions towards fostering a scientific environment in India are unparalleled.

Must Read
NCERT Notes For UPSC UPSC Daily Current Affairs
UPSC Blogs UPSC Daily Editorials
Daily Current Affairs Quiz Daily Main Answer Writing
UPSC Mains Previous Year Papers UPSC Test Series 2024

 

Print Friendly, PDF & Email

Sir CV Raman FAQs

Chandrasekhar Venkata Raman was born in Tiruchirappalli, Madras Presidency on 7 November, 1888.

He won the Nobel Prize in Physics for his work on the scattering of light and for the discovery of the Raman Effect in 1930.

He developed a spectroscope and discovered that when light traverses a transparent material, the deflected light changes its wavelength and frequency. This unknown type of scattering of light, was named "modified scattering" was subsequently termed the Raman Effect or Raman scattering.

Apart from his research in the field of spectroscopy and acoustics, He established the Raman Research Institute in Bengaluru in 1949 and also served as Director of IISc for many years.

He was honoured with India’s highest civilian award, the Bharat Ratna. He also received several other awards including the Lenin Peace Prize and the Franklin Medal and the Hughes Medal.

Success can come to you by courageous devotion to the task lying in front of you.” “I strongly believe that fundamental science cannot be driven by instructional, industrial and government or military pressures.” “I am the master of my failure. If I never fail, how will I ever learn?” “Ask the right questions, and nature will open the door to her secrets.” “If someone judges you, they are wasting space in their mind. Best part, it's their problem.” “The true wealth of a nation consists not in the stored-up gold but in the intellectual and physical strength of its people.”

The Raman Effect was discovered on 28 February 1928. This day is celebrated annually as the National Science Day by the Government of India.

Recommended For You

July 25, 2024
UPSC EPFO Interview 2024 Date, Marks, & Result
July 25, 2024
UPSC EPFO Eligibility Criteria 2025, Qualification, & A...
July 25, 2024
APJ Abdul Kalam Death Anniversary: Missile Man of India
July 25, 2024
Kargil Vijay Diwas 2024, History and Importance of Vijay Diw...
July 25, 2024
World Hepatitis Day 2024: History, Theme, Government Initiat...
July 25, 2024
International Tiger Day 2024, Theme of World Tiger Day, 29th...
/*

Latest Comments

*/

Live Blog

Recent posts

July 25, 2024
UPSC EPFO Interview 2024 Date, Marks, & ...
July 25, 2024
UPSC EPFO Eligibility Criteria 2025, Qualific...
July 25, 2024
APJ Abdul Kalam Death Anniversary: Missile Ma...
July 25, 2024
Kargil Vijay Diwas 2024, History and Importan...
July 25, 2024
World Hepatitis Day 2024: History, Theme, Gov...

Archive Calendar

Mon Tue Wed Thu Fri Sat Sun
 1
2345678
9101112131415
16171819202122
23242526272829
3031  

by month

Need help preparing for UPSC or State PSCs?

Connect with our experts to get free counselling & start preparing

THE MOST
LEARNING PLATFORM

Learn From India's Best Faculty

# #
      
Subscribe our Newsletter
Sign up now for our exclusive newsletter and be the first to know about our latest Initiatives, Quality Content, and much more.
*Promise! We won't spam you.
Yes! I want to Subscribe.

Contact Details

G-Floor,4-B Pusha Road, New Delhi, 110060

Download Our App

# #

 Final Result – CIVIL SERVICES EXAMINATION, 2023.   Udaan-Prelims Wallah ( Static ) booklets 2024 released both in english and hindi : Download from Here!     Download UPSC Mains 2023 Question Papers PDF  Free Initiative links -1) Download Prahaar 3.0 for Mains Current Affairs PDF both in English and Hindi 2) Daily Main Answer Writing  , 3) Daily Current Affairs , Editorial Analysis and quiz ,  4) PDF Downloads  UPSC Prelims 2023 Trend Analysis cut-off and answer key

THE MOST
LEARNING PLATFORM

Learn From India's Best Faculty

# #
      
Follow Us:
Subscribe our Newsletter
Sign up now for our exclusive newsletter and be the first to know about our latest Initiatives, Quality Content, and much more.
*Promise! We won't spam you.
Yes! I want to Subscribe.

Contact Details

Download Our App

# #

 Final Result – CIVIL SERVICES EXAMINATION, 2023.   Udaan-Prelims Wallah ( Static ) booklets 2024 released both in english and hindi : Download from Here!     Download UPSC Mains 2023 Question Papers PDF  Free Initiative links -1) Download Prahaar 3.0 for Mains Current Affairs PDF both in English and Hindi 2) Daily Main Answer Writing  , 3) Daily Current Affairs , Editorial Analysis and quiz ,  4) PDF Downloads  UPSC Prelims 2023 Trend Analysis cut-off and answer key
Quick Revise Now !
AVAILABLE FOR DOWNLOAD SOON
UDAAN PRELIMS WALLAH
Comprehensive coverage with a concise format
Integration of PYQ within the booklet
Designed as per recent trends of Prelims questions
हिंदी में भी उपलब्ध
Quick Revise Now !
UDAAN PRELIMS WALLAH
Comprehensive coverage with a concise format
Integration of PYQ within the booklet
Designed as per recent trends of Prelims questions
हिंदी में भी उपलब्ध

<div class="new-fform">







    </div>

    Subscribe our Newsletter
    Sign up now for our exclusive newsletter and be the first to know about our latest Initiatives, Quality Content, and much more.
    *Promise! We won't spam you.
    Yes! I want to Subscribe.