Class 12 Physics NCERT Quiz
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Questions and Answers

What is the primary purpose of NCERT Books for Class 12 Physics?

  • To cover advanced topics in physics
  • To prepare questions for midterm and final exams
  • To build the base for engineering courses and competitive exams (correct)
  • To provide basic knowledge of physics concepts

Why are NCERT Books for Class 12 Physics important for students planning to pursue a higher degree in engineering?

  • They cover advanced topics beyond the curriculum
  • They provide a strong foundation for engineering courses (correct)
  • They focus on theoretical concepts rather than practical applications
  • They are recommended by most CBSE schools

What is the content of the first part of Class 12 Physics in NCERT Books?

  • Modern physics and quantum mechanics
  • Optics and wave phenomena
  • Electricity, magnetism, electromagnetic induction (correct)
  • Thermodynamics and statistical mechanics

What level of questions is asked in the Physics section of engineering and medical competitive exams?

<p>Difficult (C)</p> Signup and view all the answers

Why do most teachers use NCERT Books for Class 12 Physics?

<p>For teaching and preparing questions for midterm and final exams (D)</p> Signup and view all the answers

What is the primary role of the Ohio-class SSBNs in the U.S. nuclear-deterrent triad?

<p>To carry about half of U.S. active strategic thermonuclear warheads (D)</p> Signup and view all the answers

How does the number of Trident II missiles carried by Ohio-class boats compare to the Borei class and the deactivated Typhoon class?

<p>Ohio-class boats carry just as many missiles, if not more, than either the Borei class or the deactivated Typhoon class (B)</p> Signup and view all the answers

What makes the Ohio-class submarines the largest ever built for the U.S. Navy?

<p>They displace 18,750 tons submerged (D)</p> Signup and view all the answers

In terms of size, where do the Ohio-class submarines rank in the world?

<p>Third-largest submarines (C)</p> Signup and view all the answers

Which class of submarines is part of the United States' nuclear-deterrent triad?

<p>Ohio-class SSBNs (A)</p> Signup and view all the answers

Flashcards

Purpose of NCERT Class 12 Physics

NCERT Books for Class 12 Physics are designed to solidify the fundamental principles of physics, laying the groundwork for advanced engineering courses and competitive exams like JEE.

Importance of NCERT Class 12 Physics for Engineering

NCERT Books provide a comprehensive understanding of elementary physics concepts, essential for pursuing engineering degrees.

Content of Part 1: NCERT Class 12 Physics

The first part of NCERT Class 12 Physics covers essential topics like electricity, magnetism, and electromagnetic induction.

Difficulty Level of Physics in Competitive Exams

Engineering and medical entrance exams often feature challenging physics questions, requiring a thorough understanding of concepts.

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Why Teachers Use NCERT Class 12 Physics

NCERT Books are widely used by teachers due to their comprehensive nature and alignment with the syllabus, making them suitable for planning lessons and creating exam questions.

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Role of Ohio-class SSBNs

Ohio-class SSBNs, also known as ballistic missile submarines, are crucial for maintaining the United States' nuclear deterrent force, carrying about half of their active strategic nuclear warheads.

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Ohio-class Missiles

Ohio-class submarines carry a large number of Trident II missiles, as many or more than other classes like the Borei class and the deactivated Typhoon class.

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Size of Ohio-class Submarines

Ohio-class submarines are notable for their massive size, displacing over 18,750 tons submerged, making them some of the largest submarines ever built for the US Navy.

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Ohio-class Size Ranking

Ohio-class submarines are among the largest in the world, ranking third in terms of size.

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Ohio-class and Nuclear Deterrent Triad

Ohio-class SSBNs play a vital role in the United States' nuclear-deterrent triad, providing a vital strategic undersea nuclear deterrent force.

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Study Notes

NCERT Books for Class 12 Physics

  • The primary purpose of NCERT Books for Class 12 Physics is to provide a comprehensive understanding of physics concepts to students.
  • These books are important for students planning to pursue a higher degree in engineering because they form the foundation of physics knowledge required for engineering studies.

Content of Class 12 Physics in NCERT Books

  • The first part of Class 12 Physics in NCERT Books covers topics such as electrostatics, electric charges, and electromagnetic induction.

Physics Section of Engineering and Medical Competitive Exams

  • The Physics section of engineering and medical competitive exams typically consists of questions that test the student's understanding of concepts, problem-solving skills, and analytical abilities.

Importance of NCERT Books for Class 12 Physics

  • Most teachers use NCERT Books for Class 12 Physics because they provide a comprehensive and structured approach to learning physics.

Ohio-class Submarines

  • The primary role of the Ohio-class SSBNs in the U.S. nuclear-deterrent triad is to provide a strategic nuclear deterrent capability.
  • Ohio-class boats carry 20 Trident II missiles, compared to 16 on the Borei class and 20 on the deactivated Typhoon class.
  • The Ohio-class submarines are the largest ever built for the U.S. Navy, with a length of 560 feet and a displacement of 18,750 tons.
  • In terms of size, the Ohio-class submarines rank among the largest in the world.
  • The Ohio-class is part of the United States' nuclear-deterrent triad, along with strategic bombers and intercontinental ballistic missiles.

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Description

Test your knowledge of Class 12 Physics with this quiz. Covering topics from the NCERT Books, this quiz will challenge your understanding of fundamental physics concepts and principles. Ideal for students preparing for CBSE exams or anyone interested in physics.

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