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C.V. Raman was born in 1888. He displayed a keen interest in science from a young age. He even published his first research paper at the tender age of 15. Throughout his career, Raman made significant contributions to various fields of physics, including acoustics and optics. But his most famous discovery came in 1928, while he was sailing back from Europe to India. C.V. Raman observed that the scattered light had slightly changed its color, or wavelength. This change, known as the Raman effect, provided a unique fingerprint of the molecules present in the Water.
In 19th century Lord Rayleigh who was a renowned British scientist suggested elastic scattering of light. He described this phenomenon in 1871 and later it was named after him. While on the other hand, Indian Physicist Sir Chandrasekhara Venkat Raman discovered inelastic scattering of light in 1928.
Let’s try to understand what the difference between the two phenomena is. As per Rayleigh’s elastic scattering, scattered light has the same energy and wavelength as the incident light while Raman’s inelastic scattering explains that the scattered light has a different energy and wavelength than the incident light.
The Raman effect helps in explaining various natural phenomenon on. like the appearance of blue sky, advanced sunrise and delayed sunset, etc. It also explains the appearance of red sky during sunrise and sunset. The Raman effect revolutionized the field of spectroscopy, a technique used to analyze the composition of materials. By studying the scattered light, scientists could now identify the specific molecules present in a sample, whether it be a liquid, solid, or even a gas.
C.V. Raman’s discovery not only earned him the prestigious Nobel Prize in Physics in 1930, but it also established him as a pioneer in Indian science. He continues to inspire generations of scientists with his dedication and curiosity. In fact, India celebrates National Science Day every year on February 28th, the anniversary of Raman’s incredible discovery.
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Recent posts
All categories
- CBSE (4)
- JEE Main (2)
- NEET (5)
- IBPS PO/CLERK (PRE) (3)
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- Blog (169)
- Current Affair (4)
- Class 6 (1)
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- IBPS RRB Office Assistant (1)
- Class 8 (1)
- Class 9 (2)
- Class 10 (3)
- Class 11 (2)
- Class 12 (3)
- IIT-JEE (2)
- SSC - CGL (11)
- SSC - CHSL (4)
- NDA (3)
- SSC - MTS (8)
- Lekhpal (2)
- NTSE SAT (1)
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- Job Oriented Courses (3)
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