Top Banner

of 13

Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
  • 7/17/2019 MN SAHA

    1/13

    WELCOME

  • 7/17/2019 MN SAHA

    2/13

    MEGH NAD SAHA

    (MN SAHA)

  • 7/17/2019 MN SAHA

    3/13

  • 7/17/2019 MN SAHA

    4/13

  • 7/17/2019 MN SAHA

    5/13

    CHLIDHOOD

    MEGHNAD SAHA WAS BORN ON 6thOCTOBER 1893

    IN SHAORATOLI VILLAGE NEAR DHAKA, BRITISH INDIA.

    HE WAS THE SON OF JAGANNATH SAHA AND

    BHUVANESHWARI DEVI

    HE WAS THE FIFTH SON OF HIS PARENTS

  • 7/17/2019 MN SAHA

    6/13

    MEGHNAD SAHA BELONGED TO A POOR

    FAMILY AND STRUGGLED TO RISE IN LIFE

    HE HAD HIS INITIAL SCHOOLING AT DHAKACOLLEGIATE SCHOOL , AND LATER MOVED

    TO DHAKA COLLEGE

    SAHA WAS ALSO A STUDENT AT THE

    PRESIDENCY COLLEGE, KOLKATA.

  • 7/17/2019 MN SAHA

    7/13

    CARRIER

    SAHA WAS THE PROFESSOR AT ALLAHABAD

    UNIVERSITY FROM 1923 TO 1938, ANDTHEREAFTER A PROFESSOR AND DEAN OF THE

    FACULTY OF SCIENCE AT THE UNIVERSITY OF

    CALCUTTA UNTIL HIS DEATH IN 1956.

    HE BECAME THE FELLOW OF THE ROYAL

    SOCIETY IN 1927.

  • 7/17/2019 MN SAHA

    8/13

    HE WAS THE PRESIDENT OF THE 21St SESSION OF THE

    INDIAN SCIENCE CONGRESS IN 1934

    SAHA WAS FORTUNATE TO HAVE BRILLIANT

    TEACHERS AND CLASS FELLOWS

    ON HIS RELIGIOUS VIEWS SAHA WAS A ATHEIST

  • 7/17/2019 MN SAHA

    9/13

    MN SAHAS BEST KNOWN WORK

    CONCERNED THE THERMALIONISATION OF ELEMENTS,AND LEAD

    HIM TO FORMULATE WHAT IS KNOWNAS THE SAHA EQUATION.

    SAHAS EQUATION IS ONE OF THE

    BASIC TOOLS FOR INTERPRETATION OFTHE SPECTRA OF STARS INASTROPHYSICS.

  • 7/17/2019 MN SAHA

    10/13

    BY STUDYING THE SPECTRA OF

    VARIOUS STARS , ONE CAN FIND

    THEIR TEMPERATURE AND FROMTHAT, USING SAHAS EQUATION,

    DETERMINE THE IONISATION STATE

    OF THE VARIOUS ELEMENTS MAKINGUP THE STAR.

  • 7/17/2019 MN SAHA

    11/13

    HE BECAME A WORLD FAMOUS FIGURE

    DURING THE SHORT SPAN OF HIS

    LIFE.

    HIS VALUABLE RESEARCH IS ON

    RADIATION.

    MEGHNAD SAHA OBTAINED D.Sc

    DEGREE IN RECOGNITION OF HIS

    GREAT SCHOLASTIC RESEARCH ON

    RADIATION

  • 7/17/2019 MN SAHA

    12/13

    THE CONTRIBUTION OF MEGHNADSAHA TO PHYSICS IS GREAT.

    HE HAD ALSO GREAT MASTERYOVER NUCLEAR PHYSICS, SPECTRO

    CHEMISTRY, KINETICS AND

    IONOSPHERE

    IN 1926, HE BECAME THE PRESIDENT OF

    INDIAN SCIENCE CONGRESS

  • 7/17/2019 MN SAHA

    13/13

    MEGHNAD SAHA DIED ON 16th

    FEBRUARY 1956 AND CAUSED A

    VACUUM IN THE WORLD OF SCIENCE