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AU Degree 3rd Sem Physics Question Papers

By Venkat | September 28, 2019
Andhra University Degree 3rd Semester Physics Question Papers are below by year wise.
Year - 2017
ANDHRA UNIVERSITY 
B.Sc. DEGREE EXAMINATION 
(Examination at the end of Semester - III)
Part II: PHYSICS
Wave Optics 
Time : 3 Hours] [Max : 75 Marks
[Section - A] (5x 5=25 Marks)
Answer any Five from the following Eight questions. 
1. Write a short note on coma.
2. Explain colours in thin films.
3. Explain the working of Babinet's compensator.
4. Find the radius of the first zone in a zone plate of focal length 20 cm for a light of wavelength 500 nm.
5. In Michelson's interferometer, 200 fringes cross the field of view when the movable mirror is displaced through 0.0589 m.m. Calculate the wavelength of monochromatic light used.
6. State and prove Malus law.
7. How the gas Lasers are advantageous than solid lasers?
8. Explain the modes in optical fiber.
[Section - B] (5x10=50Marks)
Answer All Questions.
9. (a) What is spherical aberration? Explain any four methods of minimizing spherical aberration.
                        (Or)
(b) What is chromatic aberration? Obtain an expression for chromatic aberration when
(i) Object is placed at infinity and
(ii) Object placed at finite distance

10. (a) How are Newton's rings formed? Describe Newton's rings experiment to determine the wavelength of monochromatic light.
                       (Or) 
(b) Describe the construction and working of Michelson Interferometer. Explain how the wavelength of monochromatic light can be determined using Michelson Interferometer.

11. (a) Discuss Fraunhofer. diffraction due to single slit. Obtain expression for intensity at a point in the diffraction pattern. Deduce the condition for maximum and minima.
                       (Or)
(b) Describe the construction and working of Zone plate. Obtain expression for its focal length.

12. (a) What is double refraction? Describe the construction and working of Nicol prism.
                      (Or)
(b) What is plane polarized light? Explain the method of producing plane polarized light by reflection and refraction.

13. (a) What are the important characteristics of laser radiation? Explain the working of He-Ne laser.
                      (Or)
(b) Explain the basic principles of the fibre optic communication. Give the advantages of fibre optic communication.

This question paper is taken from the Test Papers. So Telugu Version is not available. If anybody wants the Telugu version of this Question Paper comment below we will upload it.
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Comments

  1. Unknown30 September 2019 at 13:46

    2018 physics Oct 3rd semester public paper send them.
    Andhra university

    ReplyDelete
    Replies
    1. Venkat30 September 2019 at 17:25

      2018 Physics Question paper is not available.
      If any of the visitors have it just comment here or contact me.

      Delete
      Replies
        Reply
    2. Reply
  2. Unknown6 October 2019 at 09:02

    Sir telugu lo upload cheyyandi

    ReplyDelete
    Replies
    1. Venkat6 October 2019 at 13:35

      Use this link to translate to Telugu.

      Delete
      Replies
        Reply
    2. Unknown15 October 2019 at 20:29

      Thank you sir 👌👌👌

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      Replies
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    3. Reply
  3. Unknown22 October 2019 at 18:44

    Sri Telugu lu uploaded chayade

    ReplyDelete
    Replies
      Reply
  4. Unknown22 October 2019 at 21:50

    Hlo we want physics 2018 question paper plz send me by mail

    ReplyDelete
    Replies
      Reply
  5. Unknown9 September 2020 at 08:26

    Extra papers uploaded

    ReplyDelete
    Replies
      Reply
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