28th February

“National Science Day”

is commemorated in the honors of Sir C.V.Ramanfor his legacy, whodiscovered Raman effect on 28th Feb. 1928.

IMPORTANCE OF THE DAY •It was a great achievement and for that he received Nobel Prize which was the first Nobel Prize in science for Asia. Hence the day is of great importance for Indian science and scientific community.

HISTORYHISTORY

In 1986, NTSC took In 1986, NTSC took initiative to get the initiative to get the Government of India to Government of India to designate February 28 as designate February 28 as the National Science Day the National Science Day which is now celebrated which is now celebrated all over India. all over India.

Through the life of C.V Raman…

Chandrashekhara Venkata Raman was born on November 7, 1888

in Tiruchinapalli, Tamil- Nadu. He was the second child of Chandrasekhar Iyer and Parvathi Amma.

After his studies, in 1917, After his studies, in 1917, at the age of 29, Raman at the age of 29, Raman became a Professor at became a Professor at Calcutta university.Calcutta university.

In 1919 Raman elected as In 1919 Raman elected as the secretary of Indian the secretary of Indian Association for the Association for the cultivation of sciencecultivation of science

In 1929 the British Government knighted him; thereafter Professor Raman came to be known as

Professor Sir C.V.Raman.

In 1930, Sir C.V. Raman was awarded with Nobel Prize in Physics for his work on scattering of light. The discovery was later christened as "Raman Effect".

Showing his Nobel prize to a British Journalist

In order to encourage In order to encourage scientific research in scientific research in India, Raman India, Raman established the established the Indian Academy of Indian Academy of Science Banglore in Science Banglore in 1934 and the Raman 1934 and the Raman Research Institute Research Institute (1948). (1948).

Sir C.V. Raman during a lecture at the Raman Research Institute in Bangalore,

circa 1959.

In 1948 this great scientist entered on one more active phase of life when he became the Director of the Raman Research Institute. 

With awards and mementos stored in a steel almirah at the Institute, circa 1959.

What is Raman effect?

The wavelength of a small fraction of the radiation scattered by certain molecules differ from that of the incident beam;