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What makes a good illuminator?
Illuminators should perform three separate tasks along with a degree of efficiency. Initially must house a lamp and its transformer, power source, ballast, wiring and igniter in a correct and safe way. Secondly, this must focus on the light of the lamp into the most efficient way to make sure an adequate performance. Thirdly, this should create an appropriate environment to guarantee the long life of the common end, it being the union with the fiber optics. Along with this last task in mind, an illuminator should be designed to minimize the thermal load upon the screen by all possible means, forced ventilation, filters, deflectors and air ducting.
At what velocity a clock should move so that it seems slow by one minute in a day.
conservation laws A law that states that, in a closed system, the whole quantity of something will not enhance or reduce, but exactly remain the same; i.e., its rate of altera
Capacitor construction: FIXED CAPACITORS Fixed capacitors usually consist of sheets of metal foil between which is sandwiched the dielectric, or alternatively the metal, s
A block is considered on a rough horizontal surface. If we give a variable force F on the block and if we enhance the force F continuously then we seem that block remains stationar
to derive expreation for magnitude & direction for the resultant which two are acting at a point
How fast must a spacecraft travel relative to the earth for each day on the spacecraft to correspond to 2d on the earth? By standard equation, for the time t to the earth to co
Photon flux
How does the elevation and air pressure affect the boiling point of water? The only factor that explains the boiling point of water at any altitude is the barometric pressure (
A physics student performs a double-slit diffraction experiment on an optical bench, as shown in the figure below. The light from a helium-neon laser has a wavelength of 632.8
what is black body? explain black body radiation with example
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