10th Class Physics Book: PTB Download
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Questions and Answers

What is the purpose of students bringing their own books to physics classes?

  • To avoid studying from the physics book
  • To make notes and benefit from illustrations (correct)
  • To share books with other students
  • To reduce the weight of their school bags
  • Why do students need to have the physics book for class 10 while studying in school?

  • Teachers use them to teach important derivations and topics (correct)
  • To increase the demand for books
  • To discourage students from studying physics
  • To create a shortage of books
  • What has ilmkidunya done to solve the problem of limited supply of books?

  • Uploaded all Matric and Intermediate books by Punjab curriculum and textbook Board (correct)
  • Stopped providing PDF downloads of books
  • Restricted access to physics books
  • Increased the price of books
  • What are some topics mentioned in the physics 10th class book that need to be studied by all students?

    <p>Electromagnetic induction and Refraction</p> Signup and view all the answers

    Why are students unable to get their books according to the text?

    <p>Due to limited supply of books and high demand</p> Signup and view all the answers

    What type of wave involves a pair of superimposed periodic waves traveling in opposite directions?

    <p>Standing wave</p> Signup and view all the answers

    What type of wave involves stress and strain fields oscillating about a mechanical equilibrium?

    <p>Mechanical wave</p> Signup and view all the answers

    Which equation describes a standing wave field of two opposite waves?

    <p>$y(x, t) = A\text{sin}(kx - \text{wt}) + A\text{sin}(kx + \text{wt})$</p> Signup and view all the answers

    Which type of wave involves coupling between the electric and magnetic fields according to Maxwell's equations?

    <p>Electromagnetic wave</p> Signup and view all the answers

    What type of wave involves the entire waveform moving in one direction?

    <p>Traveling wave</p> Signup and view all the answers

    What type of wave involves variations of the local pressure and particle motion that propagate through the medium?

    <p>Electromagnetic wave</p> Signup and view all the answers

    In a standing wave, where does the amplitude of vibration have nulls?

    <p>At positions where the wave amplitude appears smaller or even zero</p> Signup and view all the answers

    What type of wave involves stress and strain fields oscillating about a mechanical equilibrium?

    <p>Mechanical wave</p> Signup and view all the answers

    Which equation describes a standing wave field of two opposite waves?

    <p>$ ext{Wave equation}$</p> Signup and view all the answers

    What type of wave involves the entire waveform moving in one direction?

    <p>Traveling wave</p> Signup and view all the answers

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