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The mathematical derivation for the Eötvös effect for motion along the Equator explains the factor 2 in the first term of the Eötvös correction formula. What remains to be explained is the cosine factor. Because of its rotation, the Earth is not spherical in shape, there is an Equatorial bulge. The force of gravity is directed towards the ...
The Oxford Guide to the History of Physics and Astronomy. Oxford University Press. ISBN 0-19-517198-5. Nye, Mary Jo (1996). Before Big Science: The Pursuit of Modern Chemistry and Physics, 1800–1940. New York: Twayne. ISBN 0-8057-9512-X. OCLC 185866968.. Segrè, Emilio (1984).
A ray trace through a prism with apex angle α. Regions 0, 1, and 2 have indices of refraction, , and , and primed angles ′ indicate the ray's angle after refraction.. Ray angle deviation and dispersion through a prism can be determined by tracing a sample ray through the element and using Snell's law at each interface.
F 21 is the force applied on body 2 exerted by body 1, G is the gravitational constant, m 1 and m 2 are respectively the masses of bodies 1 and 2, r 21 = r 2 − r 1 is the displacement vector between bodies 1 and 2, and
Esotropia (from Greek eso 'inward' and trope 'a turning' [1]) is a form of strabismus in which one or both eyes turn inward. The condition can be constantly present, or occur intermittently, and can give the affected individual a "cross-eyed" appearance. [2]
Diplopia is the simultaneous perception of two images of a single object that may be displaced horizontally or vertically in relation to each other. [1] Also called double vision, it is a loss of visual focus under regular conditions, and is often voluntary.
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In a prism, the angle of deviation (δ) decreases with increase in the angle of incidence (i) up to a particular angle.This angle of incidence where the angle of deviation in a prism is minimum is called the minimum deviation position of the prism and that very deviation angle is known as the minimum angle of deviation (denoted by δ min, D λ, or D m).