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  2. Sybil Wettasinghe - Wikipedia

    en.wikipedia.org/wiki/Sybil_Wettasinghe

    Kala Keerthi Sybil Wettasinghe (Sinhala: සිබිල් වෙත්තසිංහ) (31 October 1927 – 1 July 2020) was a children's book writer and an illustrator in Sri Lanka. [ 1 ] [ 2 ] Considered as the doyen of children's literature in Sri Lanka, Wettasinghe has produced more than 200 children's books which have been translated ...

  3. Sri Lankan Astronomy and Astrophysics Olympiad - Wikipedia

    en.wikipedia.org/wiki/Sri_Lankan_Astronomy_and...

    The preliminary round of the Sri Lankan Astronomy and Astrophysics Olympiad competition is a two-hour theory paper on Astronomy and Astrophysics. [2] It usually consists of 20-30 multiple choice questions and five structured essay type questions. The competition is conducted in three languages Sinhala, Tamil and English.

  4. List of textbooks in physics - Wikipedia

    en.wikipedia.org/wiki/List_of_textbooks_in_Physics

    List of textbooks in physics: Category:Physics textbooks; List of textbooks on classical mechanics and quantum mechanics; List of textbooks in electromagnetism; List of textbooks on relativity; List of textbooks in thermodynamics and statistical mechanics

  5. Branches of physics - Wikipedia

    en.wikipedia.org/wiki/Branches_of_physics

    astrophysics, the physics in the universe, including the properties and interactions of celestial bodies in astronomy; atmospheric physics is the application of physics to the study of the atmosphere; space physics is the study of plasmas as they occur naturally in the Earth's upper atmosphere (aeronomy) and within the Solar System

  6. Aether theories - Wikipedia

    en.wikipedia.org/wiki/Aether_theories

    Isaac Newton suggests the existence of an aether in the Third Book of Opticks (1st ed. 1704; 2nd ed. 1718): "Doth not this aethereal medium in passing out of water, glass, crystal, and other compact and dense bodies in empty spaces, grow denser and denser by degrees, and by that means refract the rays of light not in a point, but by bending them gradually in curve lines? ...

  7. Theoretical physics - Wikipedia

    en.wikipedia.org/wiki/Theoretical_physics

    Famous series of books dealing with theoretical concepts in physics covering 10 volumes, translated into many languages and reprinted over many editions. Often known simply as "Landau and Lifschits" or "Landau-Lifschits" in the literature. Longair, MS. Theoretical Concepts in Physics: An Alternative View of Theoretical Reasoning in Physics.

  8. List of important publications in physics - Wikipedia

    en.wikipedia.org/wiki/List_of_important...

    This is a list of noteworthy publications in physics, organized by type. General audience. List of books on popular physics concepts; Textbooks List of textbooks on ...

  9. List of books on popular physics concepts - Wikipedia

    en.wikipedia.org/wiki/List_of_books_on_popular...

    This is a list of books which talk about things related to current day physics or physics as it would be in the future. There a number of books that have been penned about specific physics concepts, e.g. quantum mechanics or kinematics, and many other books which discuss physics in general, i.e. not focussing on a single topic. There are also ...