INTRODUCTION.


High level university courses on relativity explained classically for secondary school students.---[ Return home ]

I. Sound-wave energy density.

II. Properties of the sound-wave energy contained in a simple resonator in motion.

III. Optics law for a sound-wave in a medium where the speed is variable.

IV. Gravity experienced by the resonator in a medium where the speed is variable.

V. Direct derivation of the optics law.

VI. On the Plank's constant.


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