angle of incidence

Definitions

  • WordNet 3.6
    • n angle of incidence the angle that a line makes with a line perpendicular to the surface at the point of incidence
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Webster's Revised Unabridged Dictionary
    • Angle of incidence (Aëronautics) The angle between the chord of an aërocurve and the relative direction of the undisturbed air current.
    • Angle of incidence the angle which a ray of light, or the line of incidence of a body, falling on any surface, makes with a perpendicular to that surface; also formerly, the complement of this angle.
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Chambers's Twentieth Century Dictionary
    • Angle of incidence the angle at which a ray of light or radiant heat falls upon a surface
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Etymology

Chambers's Twentieth Century Dictionary
Fr.,—L. incĭdensin, on, cadĕre, to fall.

Usage

In literature:

Owing to this bending of the rays of light the angles of refraction and incidence are never equal.
"The History and Practice of the Art of Photography" by Henry H. Snelling
Do not fall into the widespread error that the angle of incidence varies as the angle of the aeroplane to the horizontal.
"The Aeroplane Speaks" by H. Barber
The trials substantiate this, as the angle of incidence in flying is only about one in twenty-six.
"Flying Machines" by W.J. Jackman and Thos. H. Russell
These are called angles of incidence and reflection, and are equal.
"Atlantic Monthly Vol. 6, No. 33, July, 1860" by Various
The next law is that which determines that the angles of incidence and of reflection are equal.
"Scientific American Supplement, No. 595, May 28, 1887" by Various
Now it is apparent here that the angle of reflexion is made equal to the angle of incidence.
"Treatise on Light" by Christiaan Huygens
Do not fall into the widespread error that the angle of incidence varies as the angle of the aeroplane to the horizontal.
"The Aeroplane Speaks" by H. Barber
From this point the tone is reflected, not directly back, as it should be, since the angles of incidence and reflection must be equal.
"The Psychology of Singing" by David C. Taylor
Once the slanting beat of the drops against the pane caught her eye, and she paused for a moment to consider their angle of incidence.
"Beatrice Leigh at College" by Julia Augusta Schwartz
In other words the angles of incidence and of reflection are equal.
"A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public" by Frank Bertram Wade
We were the first to employ wings adjustable to respectively different angles of incidence in a flying aeroplane.
"The War in the Air; Vol. 1" by Walter Raleigh
You know that when light is reflected the angle of reflection always equals the angle of incidence?
"Astounding Stories of Super-Science April 1930" by Various
It suggests an infinitude of greenhouses reflecting sunbeams at a variety of angles of incidence.
"Cedar Creek" by Elizabeth Hely Walshe
Then there were ridiculous situations, such as 'sitting down before a fortress,' 'taking an angle of incidence,' and so on.
"Maurice Tiernay Soldier of Fortune" by Charles James Lever
This angle is known as the 'angle of incidence'.
"The New Gresham Encyclopedia. Vol. 1 Part 1" by Various
ANGLES OF INCIDENCE AND REFLECTION.
"Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained" by Jane Haldimand Marcet and Thomas P. Jones
If the sun is at an elevation of 30 degrees what is the angle of incidence at which it strikes the surface of water?
"Physics" by Willis Eugene Tower
I called to mind my long dormant and slender knowledge about the angles of incidence and reflection.
"Ten Years Among the Mail Bags" by James Holbrook
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In news:

It may sound like a corny pro wrestling angle - but Winnipeg's Chris Jericho has found himself in the middle of a real-life international incident.
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In science:

The paraxial solution reproduces the small angle asymptotics of the Aharonov-Bohm exact solution for the plane incident wave.
Paraxial propagation of a quantum charge in a random magnetic field
In this expression L1 is the length of the x1 -axis covered by the random surface, θ0 and θs are the angles of incidence and scattering, respectively, a = (ω/c)(cos θ0 + cos θs ), and q = (ω/c) sin θs , k = (ω/c) sin θ0 .
Design of one-dimensional Lambertian diffusers of light
The spatial resolution and occupancies as a function of the pion incident angle were measured for various sensor-readout combinations.
Performance of prototype BTeV silicon pixel detectors in a high energy pion beam
This enabled us to measure the properties of various pixel prototypes as a function of the pion incident angle.
Performance of prototype BTeV silicon pixel detectors in a high energy pion beam
Diffusion determines the shape of the charge distribution at small incident angles and allows interpolation between pixel centers using charge weighting.
Performance of prototype BTeV silicon pixel detectors in a high energy pion beam
Table 1 summarizes the FWHM and the parameters of the Blunck-Leisegang function for various incident track angles.
Performance of prototype BTeV silicon pixel detectors in a high energy pion beam
Parameters of the Blunck-Leisegang function and FWHM of the collected charge distribution for FPIX0 p-stop detector for various incident track angles.
Performance of prototype BTeV silicon pixel detectors in a high energy pion beam
Cluster row multiplicity fractions for various angles of incidence.
Performance of prototype BTeV silicon pixel detectors in a high energy pion beam
Fig. 10.a shows the difference ∆xD between xT and the digital centroid xD as a function of η for tracks at normal incidence; Fig. 10.b shows the linear fit to the residual average distribution f (η ); Fig. 10.c and d show the corresponding plots for at 10◦ incident angle.
Performance of prototype BTeV silicon pixel detectors in a high energy pion beam
The binary interpolation is less accurate and features pronounced oscillations in the spatial resolution as a function of the track incident angle.
Performance of prototype BTeV silicon pixel detectors in a high energy pion beam
Fig. 14 (top) shows the predicted effect of increasing the threshold for an incident angle Θ of 300 mrad, for analog and digital readout.
Performance of prototype BTeV silicon pixel detectors in a high energy pion beam
Position resolution as a function of beam incidence angle for the FPIX0 instrumented CiS p-stop sensor.
Performance of prototype BTeV silicon pixel detectors in a high energy pion beam
Influence of threshold on the spatial resolution (top), and cluster size for tracks at 0.3 rad incidence angle (bottom).
Performance of prototype BTeV silicon pixel detectors in a high energy pion beam
One of the boards (indicated as board 4 in Table 1) was placed not orthogonal to the beam, as the other ones, but at 45 degrees to explore possible dependence of the error rate on the beam incident angle.
Single Event Effects in the Pixel readout chip for BTeV
We didn’t observe any dependence of the upset rate on the beam incident angle.
Single Event Effects in the Pixel readout chip for BTeV
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