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9th class-cbse english(NCERT BOOK-Beehive)(long answers) Chapter-4(A Truly Beautiful Mind ) (Albert Einstein)


Q) Answer following questions in about 100 words.

Q1) Albert Einstein is called a scientific genius. Write down his achievements and comment on this genius?
Ans1) Albert Einstein was a scientific genius of all time. He brought about a paradigm shift in science especially in physics. He had keen interest in physics and mathematics. In Zurich he worked on relatively. His theory of relatively showed that time and distance are not absolute. Time for a person in space with speed comparable to that of light is much slower than that for a man on earth. He gave a famous formula E=mc2. This formula formed the basis of nuclear reactor and atom bomb. His General   Theory of relatively gave a new meaning to Gravity.. The world showered on him honors and invitations. He was honoured with Noble Prize in 1921.

Q2) Einstein was a visionary and a world citizen. Comment.
Ans2) Albert was a man of high caliber. In the scientific field he contributed a lot. In 1905, his famous theories come with special Theory of Relativity. It specified that time and distances are not absolute. He established a relation between energy and mass. He proved the interchangeability of energy and mass that became the basis of use of nuclear energy. Unfortunately some people used this energy destructively. Mass destruction caused by bombing of Hiroshima and Nagasaki touched his heart.  He pioneered the agitated to end up the arms buildup. He was against atom bombs. He dedicated rest of his life to fight against this enemy of humanity. Because of his tireless efforts for the humanity he was considered both as a visionary and a world citizen.  

6 comments:

  1. Thanks for the answers. Just a small change in the 2nd ans, can u please change touched his heart to - shook his heart or something along those lines
    Not meant to disrespect. Merely a suggestion

    ReplyDelete
  2. Your first ans helped me but the correct question of that answer is "Write down the acheivements of Albert Einstein" hope it helps you all .......

    ReplyDelete

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