SEBA Class 9 English Important Chapter 4 A Truly Beautiful Mind Solutions As Per New Syllabus to each chapter is provided in the list so that you can easily browse through different chapters SEBA Class 9 English Important Notes and select need one. SEBA Class 9 English Additional Solutions Download PDF. SEBA Class 9 English Important Solutions.
SEBA Class 9 English Important Chapter 4 A Truly Beautiful Mind
Also, you can read the NCERT book online in these sections Solutions by Expert Teachers as per Central Board of Secondary Education (CBSE) Book guidelines. SEBA Important Solutions For Class 9 English are part of All Subject Solutions. Here we have given English Important Notes For Class 9 SEBA for All Chapters, You can practice these here.
A Truly Beautiful Mind
Chapter: 4
| IMPORTANT QUESTION AND ANSWER |
A. Answer the Following Question:
1. Who is Albert Einstein?
Albert Einstein was a German-born physicist, known for his theory of relativity. Born in 1879, he revolutionized modern physics with groundbreaking work on light, particles, and energy, becoming synonymous with genius.
2. What was Einstein’s early childhood like?
Einstein had a slow start in childhood, as he spoke late and had difficulties socializing with other children. His mother once thought he was a “freak” because of his large head, and he was called “Brother Boring” by his playmates.
3. What was Einstein’s contribution to physics?
Ans: Einstein’s 1905 papers laid the foundation for modern physics. His Special Theory of Relativity and the famous equation E=mc² revolutionized the understanding of time, space, and energy, changing the course of scientific history.
4. Why did Einstein leave school?
Ans: Einstein hated the regimentation of his school in Munich, which led him to leave at age 15. He had a difficult relationship with his teachers but excelled in mathematics and physics.
5. What was Einstein’s work in Switzerland?
Ans: After leaving school, Einstein moved to Switzerland, where he attended the University of Zurich and later worked at the patent office in Bern, where he secretly developed many of his revolutionary scientific ideas.
6. Who was Mileva Maric?
Ans: Mileva Maric was a fellow student at the University of Zurich and a talented physicist. She and Einstein fell in love, and they later married in 1903, but their relationship deteriorated, and they divorced in 1919.
7. What is the General Theory of Relativity?
Ans: The General Theory of Relativity, published in 1915, redefined gravity. Einstein proposed that gravity is not a force between objects but the warping of space-time by mass. It was confirmed during the 1919 solar eclipse.
8. Why did Einstein leave Germany?
Ans: In 1933, as the Nazis took power in Germany, Einstein emigrated to the United States. His Jewish heritage and opposition to the Nazi regime led him to seek refuge in a more liberal country.
9. What role did Einstein play in the atomic bomb development?
Ans: In 1939, Einstein warned President Roosevelt about the potential of nuclear weapons, urging the development of an atomic bomb to counter the Nazi threat. This letter helped spur the U.S. atomic bomb project during World War II.
10. How did Einstein feel about the atomic bomb?
Ans: Einstein was deeply disturbed by the destructive power of the atomic bomb. After its use on Hiroshima and Nagasaki, he advocated for peace and the establishment of a world government to prevent further conflict.
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