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    II Pu Physics Viva

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    shrishantkambar
    The document contains 12 sections with 3 questions each about the viva questions that may be asked in the Karnataka 2nd PU Physics Practical Exam. The questions cover topics like determining resistance per unit length of a wire, resistivity of wire material, working principles and applications of instruments like galvanometers, ammeters, voltmeters, and methods for determining characteristics such as frequency of AC supply, focal lengths of concave mirrors and convex lenses, refractive index of materials like glass and water.

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    II Pu Physics Viva

    Uploaded by

    shrishantkambar
    45 views2 pages
    The document contains 12 sections with 3 questions each about the viva questions that may be asked in the Karnataka 2nd PU Physics Practical Exam. The questions cover topics like determining resistance per unit length of a wire, resistivity of wire material, working principles and applications of instruments like galvanometers, ammeters, voltmeters, and methods for determining characteristics such as frequency of AC supply, focal lengths of concave mirrors and convex lenses, refractive index of materials like glass and water.

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    II pu physics viva

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    The document contains 12 sections with 3 questions each about the viva questions that may be asked in the Karnataka 2nd PU Physics Practical Exam. The questions cover topics like determining resistance per unit length of a wire, resistivity of wire material, working principles and applications of instruments like galvanometers, ammeters, voltmeters, and methods for determining characteristics such as frequency of AC supply, focal lengths of concave mirrors and convex lenses, refractive index of materials like glass and water.

    Copyright:

    © All Rights Reserved
    Download as TXT, PDF, TXT or read online from Scribd
    Download as txt, pdf, or txt
    45 views2 pages

    II Pu Physics Viva

    Uploaded by

    shrishantkambar
    The document contains 12 sections with 3 questions each about the viva questions that may be asked in the Karnataka 2nd PU Physics Practical Exam. The questions cover topics like determining resistance per unit length of a wire, resistivity of wire material, working principles and applications of instruments like galvanometers, ammeters, voltmeters, and methods for determining characteristics such as frequency of AC supply, focal lengths of concave mirrors and convex lenses, refractive index of materials like glass and water.

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    Download as TXT, PDF, TXT or read online from Scribd
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    01.

    13 5:39 PM
    Physics viva

    Viva Questions for Karnataka 2nd PU Physics Practical Exam:

    1. Resistance per unit length of the wire:

    How can you calculate the resistance per unit length of the wire from your
    experiment data?
    How would the resistance per unit length change if the length of the wire is
    doubled while keeping the diameter constant?
    What factors determine the resistance per unit length of a material?

    2. Resistivity of the material of the wire:

    Explain the relationship between resistance per unit length and resistivity.
    How can you determine the resistivity of the wire's material from your experiment?
    How would the resistivity be affected if the material of the wire were changed?

    3. Figure of merit of galvanometer:

    Define the figure of merit of a galvanometer.


    Why is a higher figure of merit desirable in a galvanometer?
    How did your experiment help you determine the figure of merit of the galvanometer?

    4. Ammeter:

    Briefly explain the working principle of an ammeter.


    What is the difference between an ideal ammeter and a practical ammeter?
    How can you minimize the error introduced by the ammeter in your experiment?

    5. Voltmeter:

    Explain the working principle of a voltmeter.


    What is the high impedance of a voltmeter and why is it important?
    How can you convert a galvanometer into a voltmeter using a shunt resistor?

    6.Frequency of A.C.:

    Describe the method you used to determine the frequency of the A.C. supply in your
    experiment.
    How does the frequency of A.C. affect the readings of different measuring
    instruments?
    What are the common applications of A.C. with different frequencies?

    7.Focal length of concave mirror:

    Explain the concept of focal length in a concave mirror.


    How did you determine the focal length of the concave mirror in your experiment?
    What are some applications of concave mirrors in real-world devices?

    8. Focal length of convex lens:

    Explain the difference between the focal length of a concave mirror and a convex
    lens.
    Describe the method you used to determine the focal length of the convex lens in
    your experiment.
    What are some common applications of convex lenses in optical instruments?
    9. Focal length of convex mirror:

    Discuss the unique properties of a convex mirror compared to other curved mirrors.
    How can you determine the focal length of a convex mirror experimentally?
    What are some practical applications of convex mirrors in everyday life?

    10. Angle of minimum deviation:

    Define the angle of minimum deviation for a prism.


    How did you measure the angle of minimum deviation in your experiment?
    What information can you obtain about the material of the prism from the angle of
    minimum deviation?

    11. Refractive index of glass:

    Explain the concept of refractive index and its relationship to the speed of light
    in a medium.
    Describe the method you used to determine the refractive index of glass in your
    experiment.
    How does the refractive index of a material affect the path of light passing
    through it?

    12.A. Refractive index of water using concave mirror:

    Discuss the principle behind determining the refractive index of water using a
    concave mirror.
    What are the key steps involved in this method for measuring the refractive index
    of water?
    How does the accuracy of your measurement depend on the experimental setup and data
    collection?

    12.B. Refractive index of water using convex lens and plane mirror:

    Explain how a combination of a convex lens and a plane mirror can be used to
    determine the refractive index of water.
    What are the advantages and disadvantages of this method compared to using a
    concave mirror?
    How can you minimize the potential errors that might affect your measurement using
    this method?

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