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Historical Event on 11/21/1970
Sir Chandrasekhar Venkata Raman, great Indian physicist, passed away early morning at Bangalore, Karnataka. His work was influential in the growth of science in India. He was the recipient of the 1930 Nobel Prize for Physics for the 1928 discovery now called Raman scattering which is a change in frequency observed when light is scattered in a transparent material. When monochromatic or laser light is passed through a transparent gas, liquid, or solid and is observed with the spectroscope, the normal spectral line is associated with it lines of longer and of shorter wavelength and this is called the Raman spectrum. Thus the Raman effect is applied in spectrographic chemical analysis and in the determination of molecular structure.
| Other Historical Dates and Events |
| 3/2/1997 | Bangalore's Dr. B. V. Ravi Kumar develops India's first indigenously made HIV detection kit. |
| 3/31/1977 | N. K. Mukarji was appointed as the Cabinet Secretary of India. He held this office till 31-03-1980. |
| 10/17/1940 | Mahatma Gandhi called for Individual Satyagrah and Vinoba Bhave started it. |
| 3/25/1994 | Buta Singh exonerated by the Akal Takht after 9 years. |
| 5/7/1889 | Dr. Narayan Subbarao Hardikar, freedom fighter, journalist and Padmabhushan awardee, was born. |
| 12/11/1988 | Dr. Nagendra Singh, 74, President of the International Court of Justice, passed away in Hague. |
| 6/23/1920 | Kesri Jagannathrao Joshi, senior leader of Janata Party in Karnataka, was born. |
| 6/23/1997 | Acharya Tulsi, the founder of Terapanthi sector in Jainism, died. (20-10-98). |
| 1/1/1874 | The first women magazine ""Bola Bodhini"" was published. |
| 1/30/1993 | Congress (I) MLA in Andhra Pradesh P. Balaraju and eight officials kidnapped by the outlawed People's War Group in Visakhapatnam district. |
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