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With the measurements of 30 cm, 27cm on the left side of the dart board, 1cm and 3cm on the bottom, 0.75cm and 14cm on the right side, what is the probability of landing on black backing, a red backing, green backing, scoring a 12 on any given throw, scoring at least a 10 on any given throw, and the expected score on any given throw?
If a plate of Iceland spar is put onto a page of printed text, the split of letters occurs. Will there be a doubling of the image, if you look through the same plate at a distant point?
A quartz plate, which is 1mm thick, is cut perpendicular to the optical axis. How to determine from which quartz - the right- or levogyrate – the plate is made, having before two nicoles and the source of: 1) monochromatic light; 2) white light?
Two thick plates of uniaxial crystal, equally oriented and very little different in thickness, in the crossed nicols illuminate white light separately. Why can painting occur in the same environment, if you turn one plate relative to the other by 90º?
Why the demonstration experiments on interference of the polarized beams is more convenient to be performed with thin, and not thick slices? Why, even with thin plates of Iceland spar is it difficult to obtain an interference pattern in white light?
Two coherent bundles of quasi-monochromatic unpolarized light of equal intensity cause interference fringes on the screen. The crystal plate of which thickness must be entered on the path of one of these bundles so that the interference fringes disappear and so that they could not be recovered by any glass plate, introduced into another beam? How will the picture change, if a polaroid is placed behind the crystal plate? In what position of the polaroid there will be no fringes?
Towards a linearly polarized light a half-wave plate is placed. The plane of oscillation of the incident light makes an angle with the optical axis of the plate. How to determine the polarization of light passing through the plate?
How should we cut the prism of an uniaxial crystal in such a way that with the help of the method of least deviation of the refracted beam to measure a common n̥0 and an uncommon ne refractive indices of the crystal?
In the process of measuring the refractive indices of the crystal plate on the crystal-refractometer it was discovered that one of the refractive indexes remains constant at every turn of the glass hemisphere. Another refractive index changes in such a a way that the value of it is 1) maximal 2) minimal. The optical sign of the crystal and the orientation of a plate relative to the optical axis need to be identified.
Hello there. How can I get information about any host connected on a network using visual studio 2008? Like host name, operating system, type of device and other details. Hope to be answered soon...
