SEMINAR

PRESENTED

BY

MINNUSOORYA.R.S

PHYSICAL SCIENCE

BORN ON NOVEMBER 7,1888 AT THIRUVAINIKOIL

SCHOOLING AT ST.ALOSHYSIUS ANGLO INDIAN HIGH SCHOOL

GRADUATION IN PHYSICS FROM PRESIDENCY COLLEGE IN THE YEAR 1904

POST GRADUATION IN 1907

IN 1928 HE PROPOSED RAMAN EFFECT

GOT NOBEL PRIZE FOR PHYSICS IN THE YEAR 1930.

RETIRED FROM INDIAN INSTITUTE OF SCIENCE IN1948

DIED IN THE YEAR 1970

HIS EARLIEST RESEARCH AS A STUDENT WAS BASED ON ACOUSTICS AND OPTICS.

HE WAS THE FOUNDER OF THE INDIAN JOURNALS OF PHYSICS

IN 1926.IN 1928 HE PROPOSED THE RAMAN EFFECT.HE PUBLISHED

475 RESEARCH PAPERS AND WROTE FIVE REMARKABLE

MONOGRAPHS.

IN 1928 WITH VARIOUS EXPERIMENTS ON SCATTERING

OF LIGHT HE FOUND RAMAN EFFECT.THIS HELPED HIM IN

INTIATING RAMAN SPECTROSCOPY AND IN PROVING

QUANTUM THEORY OF LIGHT.

‘’WHEN LIGHT TRAVERSES A TRANSPARENT MATERIAL,SOME

OF THE LIGHT THAT IS DEFLECTED

CHANGES IN WAVELENGTH’’

HE WAS ABLE TO DETERMINE THEDIFFRACTION OF LIGHT BY ACOUSTICWAVES OF ULTRASONIC AND HYPERSONIC

FREQUENCIES

HE ALSO FOUND OUT THE EFFECTS OF X-RAYS ON INFRARED VIBRATIONS OFCRYSTALS EXPODSED TO ORDINARY LIGHT

HE SHED NEW LIGHT ON THEORY OFCRYSTAL DYNAMICS

STUCTURE OF COLLOIDS

PHYSIOLOGY OF HUMAN EYE AND ITS VISION

ELECTRIC AND MAGNETIC ANISOTROPY

ACOUSTICS

ULTRASONICS

OPTICS

MAGNETISM

CRYSTAL PHYSICS

RAMAN’S WORK ON MUSICALDRUMS OF INDIA WAS EPOCH MAKING

GOT NOBEL PRIZE FOR PHYSICS IN THEYEAR 1930.

IN 1941 HE WAS AWARDED THEFRANKLIN MEDAL.

A BHARATH RATNA WAS AWARDEDTO HIM IN THE YEAR 1954.

GOT LENIN PEACE PRIZE IN 1957

HUGHES MEDAL

MATTEUCEI MEDAL