Reflectors sentence example
On the other hand, those substances which either are good reflectors or good transmitters, are not so luminous at the same temperature; for instance, melted silver, which reflects well, is not so luminous as carbon at the same temperature, and common salt, which is very transparent for most kinds of radiation, when poured in a fused condition out of a bright red-hot crucible, looks almost like water, showing only a faint red glow for a moment or two.
For purposes of theoretical discussions relating to moving radiators and reflectors, it is important to remember that the dynamics of all this theory of electrons involves the neglect of terms of the order (v/c) 2, not merely in the value of K but throughout.
The accounts of the observations given in these papers, however, were fragmentary; but in 1879-80 a complete account of them was published by the present earl ("Observations of Nebulae and Clusters of Stars made with the 6-foot and 3-foot Reflectors at Birr Castle from 1848 to 1878") in the Scient.
Newton failed to perceive the existence of media of different dispersive powers required by achromatism; consequently he constructed large reflectors instead of refractors.
In order to render visible the small waves employed, and which we may regard as deviations of a plane surface from its true figure, the method by which Foucault tested reflectors is suitable.Advertisement
The transparent heat reflectors can also be supplied already incorporated within the roof glazing.
The sensational brightness of these energy-saving lamps makes all other ESL reflectors look outmoded.
In addition to a common White system three quartz prisms are set up near the front mirror to work as reflectors.
You must have front and rear lamps, pedal reflectors and a red rear reflector.
The GTX Blaze pants have RECCO® reflectors incorporated into the design.Advertisement
The trailer also requires at least two amber reflectors down each side.
I was also advised on the condition of my headlamp reflectors, both a bit dull.
The bulb partially protruded from the two dome reflectors, and only the light from the very edges was diverted downwards.
Pre-war types also had small circular reflectors incorporated within their lettering.
Extra reflectors fitted to a motorcycle are not included in this inspection.Advertisement
If you are working inside, you will want to use light diffusers, window drapes, and light reflectors to create the right light for your photos.
Make sure your bike has reflectors as well.
Reflectors, though, are only the first of many accessories that a mining helmet can have.