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When light shines on a circular obstacle, Huygens ' principle says that every point in the plane of the obstacle acts as a new point source of light.
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When and light
When he was inducted into the Army at Fort Knox, Ky., Hansen's weight had dropped to 180 -- `` too light for me to be at my best '' he said.
When quoted unqualified, it usually refers to some appropriate average across the spectrum of visible light.
When the light from a heated material was passed through a prism, it produced a multi-colored spectrum.
When she made it, the results, starring Margaret Rutherford, were popular and successful light comedies, but were disappointing to Christie herself ; nevertheless, Agatha Christie dedicated the novel The Mirror Crack'd from Side to Side to Rutherford.
When the telescope is at position E it must be oriented toward spot S ′ so that the star light enters the telescope at spot S ′.
When the particles are in great motion, they produce a Doppler shift for measuring wind speed in the laser light, which is used to calculate the speed of the particles, and therefore the air around the anemometer.
When the wind blows horizontally, it presses on and moves the ball ; because ping-pong balls are very lightweight, they move easily in light winds.
When Congress overrode his veto, the project had its green light and ground was first broken in 1991.
When exposed to sunlight, artificial light, or infrared radiation ( even the heat of a hand nearby can be enough ), the vanes turn with no apparent motive power, the dark sides retreating from the radiation source and the light sides advancing.
When the radiometer is heated in the absence of a light source, it turns in the forward direction ( i. e. black sides trailing ).
When looking at a cross section of a beam of light, the length over which the phase is correlated is called the transverse coherence length.
) When Thomas Young first demonstrated this phenomenon, it indicated that light consists of waves, as the distribution of brightness can be explained by the alternately additive and subtractive interference of wavefronts.
When writing solo passages for the bass in orchestral or chamber music, composers typically ensure the orchestration is light so it doesn't obscure the bass.
When an electron in an excited molecule or atom descends to a lower energy level, it emits a photon of light equal to the energy difference.
When Loki, god of mischief and strife, murdered Baldr, god of beauty and light, he was punished by being bound in a cave with a poisonous serpent placed above his head dripping venom.
When the frequency of the strobe equals the frequency of the rotating or vibrating object, the object completes one cycle of oscillation and returns to its original position between the flashes of light, so when illuminated by the strobe the object appears stationary.
When moving from a denser medium into a less dense one ( i. e., n < sub > 1 </ sub > > n < sub > 2 </ sub >), above an incidence angle known as the critical angle, all light is reflected and R < sub > s </ sub > = R < sub > p </ sub > = 1.
When light makes multiple reflections between two or more parallel surfaces, the multiple beams of light generally interfere with one another, resulting in net transmission and reflection amplitudes that depend on the light's wavelength.
When this material condenses in the rain, it forms dust and light sandy materials that resembles ground pumice.
When and shines
When they express themselves it is incandescent hatred that shines forth, the rage of repudiation, the ecstasy of negation.
When " Light breaks where no sun shines " appeared in The Listener in 1934, it caught the attention of three senior figures in literary London, T. S. Eliot, Geoffrey Grigson and Stephen Spender.
When the shutter is released, the mirror moves out of the light path, and the light shines directly onto the film ( or in the case of a DSLR, the CCD or CMOS imaging sensor ).
When the film was screened in New York in 2005, film critic Joshua Land wrote, " Little Fugitive shines as a beautifully shot document of a bygone Brooklyn — any drama here resides in the grainy black-and-white cinematography, with its careful attention to the changes in light brought on by the inexorably advancing sun ... Filled with ' Aw, fellas!
* Danish: " Når man taler om solen, så skinner den ", which translates to " When you speak of the sun, it shines.
When a laser shines on the track, the switching layer, which has a lower Curie point than the other layers, demagnetises.
When the laser hits the house, it shines through a stained-glass window and Kent becomes convinced that he is having a religious experience.
When the sun shines on the Fernsehturm's tiled stainless steel dome, the reflection usually appears in the form of a cross.
The backwards vocals are Lennon singing the lyrics of the song: " When the sun shines ," " Rain ," and " If the rain comes, they run and hide their heads.
When Black Lanterns attack the headquarters, the Bat-Signal shines in the sky, cracked and covered with two corpses surrounding the bat symbol.
When the sun shines through the window, embedded prisms split the sunlight into its component colors and cast small rainbow-like patterns called spectra inside the building.
When and on
When, in late afternoon on the last day in June, he saw two people top the ridge to the south and walk toward the house, he quit work immediately and strode to his rifle.
When they turned in the saddle they could see the men behind them, strung out on the prairie in a flat black line.
When one of the men in the hall behind us spat on the floor and scraped his boot over the gob of spittle I noticed how the clerk winced.
When they reached their neighbor's house, Pamela said a few polite words to Grace and kissed Melissa lightly on the forehead, the impulse prompted by a stray thought -- of the type to which she was frequently subject these days -- that they might never see one another again.
When Fred Powell's brother-in-law, Charlie Keane, moved into the dead man's home, the anonymous letter writer took no chances on Charlie taking up where Fred had left off and wasted no time on a first notice:
When he rolled on the left side, propping on his left elbow, Matsuo seized his hair and pulled him back over.
When her hand touched his, fire went through Jack and he felt weak, but he managed somehow to get her on her feet.
When he finally left the sinister mansion on Perdido Street, he was carried out in a coroner's basket.
When he was stripped, deloused and numbered by his guards, his much-thumbed sketchbook was seized and thrown on a pile of prisoners' goods to be confiscated.
When combined with the metaphysical notion that pure forms of this universe are best appreciated when least embodied in a material substratum, it becomes clear that while earth will be dross on a scale of material-formal ratios, celestial bodies will be of a subtle, quickened, ethereal existence, in whose embodiment pure form will be the dominant component and matter will be absent or remain subsidiary.
When the family business failed, Mercer left school and on his mother's urging -- for she hoped that he would become an actor -- he joined a local little theater group.
Besides doing a single song, `` When The Sun Comes Out '', they worked on the ambitious American-Negro Suite, for voices and piano, as well as songs for films.
When I returned to make my report, the Hetman did not remember having sent me on the secret mission.
When Fred wheeled him back into his room, the big one looking out on the back porch, and put him to bed, Papa told him he was very tired but that he had enjoyed greatly the trip downtown.
When the young biologist, Dr. Ballard, began to show interest in our daughter Elizabeth, this induced a corresponding interest, on our part, in him.
When he turns briefly to literary style, in the Third Book, he again looks to the effect on the audience.
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