First Year Physics Chapter 9 Online Short Questions Preparation for 1st Year Physics Chapter 9 (Physical Optics)

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Physical optics is a branch of optics. This branch studies interference, diffraction, polarization, and other phenomena.

This Short Question Answer and online test will enable you to understand:

  • The concept of wavefront and state Huygens principle.
  • The interface of light and recognize/ explain the colour pattern in films. The effect of rotation of polaroid and polarization.
  • How plane polarized light is produced and detected.
  • Describe diffraction at a single slit.
  • Explain the term diffraction
  • Describe the formation of Newton’s ring.
  • Describe the phenomenon of diffraction of X-rays by crystals.
  • The polarization as a phenomenon associated with transverse waves.
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    FSC Part 1 Physics Preparation
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    Online Short Questions For Chapter 9 "FSC Part 1 Physics Chapter 9 Short Questions Preparation "

    Try The Short Questions For FSC Part 1 Physics Chapter 9 Short Questions Preparation

    • Total Questions10

    • Available Sets3

    Physics - FSC Part 1 Physics Chapter 9 Short Questions Preparation

    Question # 1

    What are Newton's rings?

    • Ans 1: When a plano-convex lens of long focal length is placed in contact with a plane glass plate, a thin air film is enclosed between them to form circular dark and bright fringes known as Newton's rings.
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    Prepare Complete Set Wise Questions For Chapter 9 "FSC Part 1 Physics Chapter 9 Short Questions Preparation "

    FSC Part 1 Physics Chapter 9 Short Questions Preparation - Set 1

    Question # 1

    What are Newton's rings?

    • Ans 1: When a plano-convex lens of long focal length is placed in contact with a plane glass plate, a thin air film is enclosed between them to form circular dark and bright fringes known as Newton's rings.
    Submit

    FSC Part 1 Physics Chapter 9 Short Questions Preparation - Set 2

    Question # 1

    Define optical rotation. Give its practical use.

    • Ans 1: When a plane polarized light is passed through certain crystals, they rotate the plane of polarization. It is called optical rotation.
      Organic solutions such as sugar, tartaric acid etc., show optical rotation which is used to determine their concentration in the solutions.
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    FSC Part 1 Physics Chapter 9 Short Questions Preparation - Set 3

    Question # 1

    Write the names of any four processes to obtain plane polarized beam of light from un-polarized light.

    • Ans 1: This can be achieved by four processes such as
      1. Selective absorption
      2. Refraction throughout crystals
      3. Reflection from different surfaces
      4. Scattering by small particles.
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    9th Chapter

    11th Class Physics Chapter 9 Preparation

    Here you can prepare 11th Class Physics Chapter 9(Physical Optics). Click the button for 100% free full Preparation.

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