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When light passes from any given medium into another, no matter what may be the angle of incidence, it always conforms to the following laws : 1. The planes of incidence and refraction coincide, both being normal to the surface separating the media, at...
The Elements of Acoustics, Light, and Heat - Page 59
by John Charles Buckmaster - 1871 - 186 pages

## Elements of Natural Philosophy, Volumes 2-3

William Holms Chambers Bartlett - Optics - 1859 - 408 pages
...refracted sound ; sin? =_ simp, (29). That is to say, in the refraction of sound the sine of the Rule. angle of incidence is equal to the sine of the angle of refraction multiplied into the ratio obtained by dividing the velocity before incidence by that after refraction. '! Application...

## The Elements of Experimental Physics. Acoustics, Light and Heat, Magnetism ...

John Charles Buckmaster - Physics - 1864 - 216 pages
...separating the media at the point of incidence. 2. The sine of the angle of incidence is equal to the line of the angle of refraction multiplied by a constant...medium. It is called the index of refraction. Let A (Fig. 14) be the point of incidence separating air from water. With A as a centre describe the circle...

## Introductory Course of Natural Philosophy for the Use of Schools and Academies

Adolphe Ganot - Physics - 1865 - 524 pages
...it always conforms to the following laws : 1. The planes of incidence and refraction coincide, bot7t being normal to the surface separating the media,...given medium. It is called the index of refraction. What is the point of incidence? Illustrate. The refracted ray ? Illustrate. The angle and plane of...

## Introductory Course of Natural Philosophy for the Use of Schools and Academies

Adolphe Ganot, William Guy Peck - Physics - 1871 - 516 pages
...into another, no matter what may be the angle of incidence, it always conforms to the following laws : 1. The planes of incidence and refraction coincide,...angle of refraction multiplied by a constant quantity. This constant multiplier is called the index of refraction, and is equal to the ratio of the velocities...

## Introductory Course of Natural Philosophy for the Use of Schools and Academies

Adolphe Ganot - Physics - 1875 - 516 pages
...into another, no matter what may be the angle of incidence, it always conforms to the following laws : 1. The planes of incidence and refraction coincide,...angle of refraction multiplied by a constant quantity. This constant multiplier is called the index of refraction, and is equal to the ratio of the velocities...

## Introductory Course of Natural Philosophy for the Use of Schools and Academies

Adolphe Ganot - Physics - 1875 - 826 pages
...of incidence and refraction coincide, both being normal to the surface separating the media, at tht point of incidence. 2. The sine of the angle of incidence...of the angle of refraction multiplied by a constant quanThis constant multiplier is called the index of refraction, and is equal to the ratio of the velocities...

## Introductory Course of Natural Philosophy for the Use of Schools and Academies

Adolphe Ganot - Physics - 1875 - 516 pages
...incidence and refraction are in a plane normal to the deviating surface at tne point of incidence, and the sine of the angle of incidence is equal to the sine of the angle of refraction multiplled by a constant quantity, called the refractive index. Echoes. 154. An echo is...

## The popular encyclopedia; or, 'Conversations Lexicon': [ed. by A. Whitelaw ...

Popular encyclopedia - 1879 - 534 pages
...normal to the surface. The angle of incidence is always equal to the angle of reflection. The tine of the angle of incidence is equal to the sine of the angle of 'refraction multiplied by a certain number, called the index of refraction. INCLEDON, BENJAMIN CHARLES, an English vocalist, born...