Published by Good Press, 2019

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      EAN 4057664586360

Table of Contents

       PREFACE TO THE FOURTH EDITION.

       ON LIGHT

       LECTURE I.

       § 1. Introduction .

       § 2. Subject of the Course. Source of Light employed.

       § 3. Rectilineal Propagation of Light. Elementary Experiments. Law of Reflection.

       § 4. The Refraction of Light. Total Reflection.

       § 5. Velocity of Light. Aberration. Principle of least Action.

       § 6. Descartes' Explanation of the Rainbow .

       § 7. Analysis and Synthesis of Light. Doctrine of Colours .

       § 8. Colours of Pigments as distinguished from Colours of Light .

       LECTURE II.

       § 1. Origin and Scope of Physical Theories .

       § 2. The Emission Theory of Light .

       § 3. The Undulatory Theory of Light .

       § 4. Wave-Motion, Interference of Waves, 'Whirlpool Rapids' of Niagara .

       § 5. Analogies of Sound and Light.

       § 6. Interference of Light .

       § 7. Colours of thin Films. Observations of Boyle and Hooke .

       § 8. Newton's Rings. Relation of Colour to Thickness of Film .

       § 9. Theory of 'Fits' applied to Newton's Rings .

       § 10. The Diffraction of Light .

       § 11. Application of the Wave-theory to the Phenomena of Diffraction .

       LECTURE III.

       § 1. Derivation of Theoretic Conceptions from Experience.

       § 2. Theory of Crystallization.

       § 3. Ordinary Refraction of Light explained by the Wave Theory .

       § 4. Double Refraction of Light explained by the Wave Theory .

       § 4. Double Refraction of Light explained by the Wave Theory .

       § 5. Polarization of Light explained by the Wave Theory .

       LECTURE IV.

       § 1. Action of Crystals on Polarized Light: the Nicol Prism.

       § 2. Colours of Films of Selenite in Polarized Light .

       § 3. Colours of Crystals in Polarized Light explained by the Undulatory Theory .

       § 4. Colours produced by Strain and Pressure.

       § 5. Colours of Unannealed Glass .

       § 6. Circular Polarization.

       § 7. Complementary Colours of Bi-refracting Spar in Circularly Polarized Light. Proof that Yellow and Blue are Complementary.

       § 8. The Magnetization of Light.

       § 9. Iris-rings surrounding the Axes of Crystals.

       § 10. Power of the Wave Theory .

       § 11. The Blue of the Sky .

       § 12. Artificial Sky .

       § 13. Polarization of Skylight .

       LECTURE V.

       § 1. Range of Vision and of Radiation .

       § 2. Ultra-violet