National Science Day 2023: What is the Raman Effect?
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National Science Day is celebrated in India on February 28th every year to commemorate the discovery of the Raman Effect by Indian physicist Sir C.V. Raman in 1928. The Raman Effect is a phenomenon in which a beam of light is scattered by molecules, resulting in a change in wavelength.
On this day, various scientific institutions and organizations across India organize events and activities to promote scientific temper and encourage scientific thinking among people of all ages. Schools, colleges, and universities also hold science exhibitions, seminars, and workshops to create awareness about the latest scientific discoveries and developments.
The theme for National Science Day 2021 is “Future of STI: Impacts on Education, Skills and Work,” which focuses on the impact of Science, Technology, and Innovation (STI) on education, skills, and work in the future. The theme aims to raise awareness about the role of STI in the development of society and how it can create new opportunities for people in the workforce.
National Science Day is an opportunity to celebrate the contributions of Indian scientists to the world and inspire the next generation of scientists and innovators. It also serves as a reminder of the importance of investing in scientific research and development to create a better future for all.
What is the Raman effect?
The Raman Effect is a phenomenon in which light is scattered by molecules, resulting in a change in wavelength. This effect was discovered by Indian physicist Sir C.V. Raman in 1928, for which he was awarded the Nobel Prize in Physics in 1930.
When a beam of light passes through a transparent material, most of the light passes through without any change. However, a small fraction of the light is scattered in different directions. The scattered light can have a different frequency, which can be higher or lower than the original frequency of the incident light.
In the Raman Effect, the scattered light has a frequency different from both the incident light and the frequency that would be expected from simple Rayleigh scattering. This frequency shift is caused by the interaction of light with the vibrations and rotations of the molecules in the material.
The Raman Effect has a wide range of applications in fields such as chemistry, biology, materials science, and physics. It is used to identify and characterize molecules, study the structure and dynamics of materials, and even in medical diagnostics.
National Science Day is celebrated in India on February 28th every year to commemorate the discovery of the Raman Effect by Indian physicist Sir C.V. Raman in 1928. The Raman Effect is a phenomenon in which a beam of light is scattered by molecules, resulting in a change in wavelength. On this day, various scientific…
National Science Day is celebrated in India on February 28th every year to commemorate the discovery of the Raman Effect by Indian physicist Sir C.V. Raman in 1928. The Raman Effect is a phenomenon in which a beam of light is scattered by molecules, resulting in a change in wavelength. On this day, various scientific…