{"id":7999,"date":"2019-11-21T16:28:04","date_gmt":"2019-11-21T10:58:04","guid":{"rendered":"https:\/\/kseebsolutions.guru\/?p=7999"},"modified":"2021-07-02T15:45:31","modified_gmt":"2021-07-02T10:15:31","slug":"1st-puc-physics-question-bank-chapter-1","status":"publish","type":"post","link":"https:\/\/kseebsolutions.guru\/1st-puc-physics-question-bank-chapter-1\/","title":{"rendered":"1st PUC Physics Question Bank Chapter 1 Physical World"},"content":{"rendered":"

You can Download Chapter 1 Physical World Questions and Answers, Notes, 1st PUC Physics Question Bank with Answers<\/a> Karnataka State Board Solutions help you to revise complete Syllabus and score more marks in your examinations.<\/p>\n

Karnataka 1st PUC Physics Question Bank Chapter 1 Physical World<\/h2>\n

1st PUC Physics Physical World One Mark Questions and Answers<\/h3>\n

Question 1.
\nWhat is physics?
\nAnswer:
\nphysics is the branch of science that deals with the study of basic laws of nature and their manifestation in different phenomena.<\/p>\n

Question 2.
\nWhat is the Scientific method?
\nAnswer:
\nThe method used to understand any natural process by a combination of logical reasoning & controlled experimentation is called the scientific method.<\/p>\n

Question 3.
\nWho discovered electron?
\nAnswer:
\nJ.J. Thomson.<\/p>\n

Question 4.
\nName the Indian physicist who got Nobel prize in physics.
\nAnswer:
\nC.V. Raman.<\/p>\n

Question 5.
\nWhat is the original name of the word \u2018Physics’?
\nAnswer:
\n\u2018Fusis\u2019 is the original name of the word Physics.<\/p>\n

\"KSEEB<\/p>\n

Question 6.
\nWho invented television?
\nAnswer:
\nJohn Biard Logi.<\/p>\n

Question 7.
\nName the discovery made by Sir C.V.Raman.
\nAnswer:
\nScattering of light by molecules.<\/p>\n

Question 8.
\nName two Indian born physicists who have been awarded Nobel Prize in physics.
\nAnswer:
\nC.V.Raman and S.Chandra Shekhar.<\/p>\n

Question 9.
\nName any one fundamental force in nature.
\nAnswer:
\nGravitational force.<\/p>\n

Question 10.
\nWhat is a conserved physical quantity?
\nAnswer:
\nPhysical quantity that remains unchanged in a process is called conserved quantity.<\/p>\n

Question 11.
\nMention one of the major contributions of S. Chandrashekhar in the field of Physics
\nAnswer:
\nChandrashekhar’s limit (1.44 solar mass).<\/p>\n

\"KSEEB<\/p>\n

Question 12.
\nWho discovered neutron?
\nAnswer:
\nChadwick.<\/p>\n

1st PUC Physics Physical World Two Mark Questions and Answers<\/h3>\n

Question 1.
\nName four fundamental forces of nature out of the four, which one is
\n(a) strongest and
\n(b) weakest?
\nAnswer:
\nThe forces are:<\/p>\n

    \n
  • Gravitational force<\/li>\n
  • Electromagnetic force<\/li>\n
  • Strong nuclear force strongest<\/li>\n
  • Weak nuclear force<\/li>\n<\/ul>\n

    (a) The nuclear force is the strongest.
    \n(b) Gravitational force is weakest.<\/p>\n

    Question 2.
    \nWhy do we need quantum theory?
    \nAnswer:
    \nQuantum theory is needed because many phenomena at the microscopic level can not be explained using classical theory, eg: Photoelectric effect, interaction among elementary particles.<\/p>\n

    \"KSEEB<\/p>\n

    Question 3.
    \nName the important conservation laws.
    \nAnswer:
    \nSome of the general conservation laws in nature are conservation of mass, conservation of energy, conservation of momentum, conservation of charge, etc.<\/p>\n","protected":false},"excerpt":{"rendered":"

    You can Download Chapter 1 Physical World Questions and Answers, Notes, 1st PUC Physics Question Bank with Answers Karnataka State Board Solutions help you to revise complete Syllabus and score more marks in your examinations. Karnataka 1st PUC Physics Question Bank Chapter 1 Physical World 1st PUC Physics Physical World One Mark Questions and Answers …<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[81],"tags":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/posts\/7999"}],"collection":[{"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/comments?post=7999"}],"version-history":[{"count":0,"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/posts\/7999\/revisions"}],"wp:attachment":[{"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/media?parent=7999"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/categories?post=7999"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/tags?post=7999"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}