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Raman effect, change in the wavelength of light that occurs when a light beam is deflected by molecules. When a beam of light traverses a dust-free, transparent sample of a chemical compound, a small fraction of the light emerges in directions other than that of the incident (incoming) beam. Most of this scattered light is of unchanged wavelength. A small part, however, has wavelengths different from that of the incident light; its presence is a result of the Raman effect. The phenomenon is named for Indian physicist Sir Chandrasekhara Venkata Raman, who first published observations of the ef...

Dr Ashaq Hussain Today is National Science Day The essence of Science is independent thinking, hard work, and not equipment: CV Raman There are in fact two things, Science and opinion; the former begets knowledge, the latter ignorance. Every brilliant experiment, like every great work of art, starts with an act of imagination and so is science a way of thinking much more than the body of knowledge. Thus Science is a systematic way of studying the world around us, […]

In honour of C. V. Raman's revolutionary invention, National Science Day is observed annually on February 28. Here's everything to know about his day.

February 28 is observed as National Science Day to mark one of the most important discoveries of physics, that was made by one of India’s, and the world’s, most legendary physicists, Sir CV Raman.

NATIONAL SCIENCE DAY   Dr. ASHAQ HUSSAIN   There are in fact two things, science and opinion; the former begets knowledge, the latter ignorance. Every brilliant experiment, like every great work of art, starts with an act of imagination and so is science a way of thinking much more than the body of knowledge. Thus Science is a systematic way of studying the world around us, using skills