Photography test questions and answers pdf

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photography test questions and answers pdf

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Questions are for traditional film and digital platforms. Search Speak now.

History of photography

A photograph also known as a photo is an image created by light falling on a photosensitive surface, usually photographic film or an electronic image sensor , such as a CCD or a CMOS chip.

The process and practice of creating such images is called photography. He exposed a silver-plated copper sheet to iodine vapor, creating a layer of light-sensitive silver iodide ; exposed it in the camera for a few minutes; developed the resulting invisible latent image to visibility with mercury fumes; then bathed the plate in a hot salt solution to remove the remaining silver iodide, making the results light-fast.

He named this first practical process for making photographs with a camera the daguerreotype , after himself. Its existence was announced to the world on 7 January but working details were not made public until 19 August. Other inventors soon made improvements which reduced the required exposure time from a few minutes to a few seconds, making portrait photography truly practical and widely popular.

The daguerreotype had shortcomings, notably the fragility of the mirror-like image surface and the particular viewing conditions required to see the image properly. Each was a unique opaque positive that could only be duplicated by copying it with a camera. Inventors set about working out improved processes that would be more practical. By the end of the s the daguerreotype had been replaced by the less expensive and more easily viewed ambrotype and tintype , which made use of the recently introduced collodion process.

Glass plate collodion negatives used to make prints on albumen paper soon became the preferred photographic method and held that position for many years, even after the introduction of the more convenient gelatin process in Refinements of the gelatin process have remained the primary black-and-white photographic process to this day, differing primarily in the sensitivity of the emulsion and the support material used, which was originally glass, then a variety of flexible plastic films , along with various types of paper for the final prints.

Color photography is almost as old as black-and-white , with early experiments including John Herschel 's Anthotype prints in , the pioneering work of Louis Ducos du Hauron in the s, and the Lippmann process unveiled in , but for many years color photography remained little more than a laboratory curiosity. It first became a widespread commercial reality with the introduction of Autochrome plates in , but the plates were very expensive and not suitable for casual snapshot-taking with hand-held cameras.

The mids saw the introduction of Kodachrome and Agfacolor Neu , the first easy-to-use color films of the modern multi-layer chromogenic type. These early processes produced transparencies for use in slide projectors and viewing devices, but color prints became increasingly popular after the introduction of chromogenic color print paper in the s. The needs of the motion picture industry generated a number of special processes and systems, perhaps the best-known being the now-obsolete three-strip Technicolor process.

Non-digital photographs are produced with a two-step chemical process. To produce a positive image, the negative is most commonly transferred ' printed ' onto photographic paper. Printing the negative onto transparent film stock is used to manufacture motion picture films. Alternatively, the film is processed to invert the negative image, yielding positive transparencies.

Such positive images are usually mounted in frames, called slides. Before recent advances in digital photography, transparencies were widely used by professionals because of their sharpness and accuracy of color rendition. Most photographs published in magazines were taken on color transparency film. Originally, all photographs were monochromatic or hand-painted in color. Although methods for developing color photos were available as early as , they did not become widely available until the s or s, and even so, until the s most photographs were taken in black and white.

Since then, color photography has dominated popular photography, although black and white is still used, being easier to develop than color. Panoramic format images can be taken with cameras like the Hasselblad Xpan on standard film.

APS was developed by several of the major film manufacturers to provide a film with different formats and computerized options available, though APS panoramas were created using a mask in panorama-capable cameras, far less desirable than a true panoramic camera, which achieves its effect through a wider film format.

APS has become less popular and has been discontinued. The advent of the microcomputer and digital photography has led to the rise of digital prints. The types of printers used include inkjet printers , dye-sublimation printer , laser printers , and thermal printers. The Web has been a popular medium for storing and sharing photos ever since the first photograph was published on the web by Tim Berners-Lee in an image of the CERN house band Les Horribles Cernettes.

Today popular sites such as Flickr , PhotoBucket and px are used by millions of people to share their pictures. Ideal photograph storage involves placing each photo in an individual folder constructed from buffered, or acid-free paper. The rigid nature of the folder protects the photo from slumping or creasing, as long as the box is not packed too tightly or under filled. Folder larger photos or brittle photos stacked flat within archival boxes with other materials of comparable size.

The most stable of plastics used in photo preservation, polyester , does not generate any harmful chemical elements, but nor does it have any capability to absorb acids generated by the photograph itself.

Polyester sleeves and encapsulation have been praised for their ability to protect the photograph from humidity and environmental pollution , slowing the reaction between the item and the atmosphere.

This is true, however the polyester just as frequently traps these elements next to the material it is intended to protect.

This is especially risky in a storage environment that experiences drastic fluctuations in humidity or temperature, leading to ferrotyping, or sticking of the photograph to the plastic. Therefore, it is necessary to either stack polyester protected photographs horizontally within a box, or bind them in a three ring binder.

Stacking the photos horizontally within a flat box will greatly reduce ease of access, and binders leave three sides of the photo exposed to the effects of light [7] and do not support the photograph evenly on both sides, leading to slumping and bending within the binder. The plastic used for enclosures has been manufactured to be as frictionless as possible to prevent scratching photos during insertion to the sleeves. Unfortunately, the slippery nature of the enclosure generates a build-up of static electricity , which attracts dust and lint particles.

The static can attract the dust to the inside of the sleeve, as well, where it can scratch the photograph. At this time, there is no test to evaluate the long-term effects of these components on photographs.

In addition, the plastic sleeves can develop kinks or creases in the surface, which will scratch away at the emulsion during handling. It is best to leave photographs lying flat on the table when viewing them. Do not pick it up from a corner, or even from two sides and hold it at eye level. Every time the photograph bends, even a little, this can break down the emulsion.

As long as a photo is in its folder, there is no need to touch it; simply remove the folder from the box, lay it flat on the table, and open the folder. If for some reason the researcher or archivist does need to handle the actual photo, perhaps to examine the verso for writing, he or she can use gloves if there appears to be a risk from oils or dirt on the hands.

Because daguerreotypes were rendered on a mirrored surface, many spiritualists also became practitioners of the new art form. Spiritualists would claim that the human image on the mirrored surface was akin to looking into one's soul. The spiritualists also believed that it would open their souls and let demons in.

Among Muslims, it is makruh disliked to perform salah worship in a place decorated with photographs. The production or distribution of certain types of photograph has been forbidden under modern laws, such as those of government buildings, [11] highly classified regions, [12] private property, copyrighted works, [13] [14] children's genitalia , [15] child pornography and less commonly pornography overall.

From Wikipedia, the free encyclopedia. For the Apple application, see Apple Photos. For the Microsoft application, see Microsoft Photos. For other uses, see Photograph disambiguation. For the technique, see Photography.

Image created by light falling on a light-sensitive surface. Main article: History of photography. See also: Aniconism. Main article: Photography and the law. Retrieved 16 January Archived from the original on 6 October Retrieved 29 September I, No. The sunlight passing through This first permanent example ESO Picture of the Week. Retrieved 27 May The National Archives and Records Administration.

ISO E. Your Questions Answered. Government of Hong Kong. Retrieved 20 September Intellectual Property Quarterly. Most expensive photographs Photographers Norwegian Polish street women.

Visualization of technical information. Biological data visualization Chemical imaging Crime mapping Data visualization Educational visualization Flow visualization Geovisualization Information visualization Mathematical visualization Medical imaging Molecular graphics Product visualization Scientific visualization Software visualization Technical drawing User interface design Visual culture Volume visualization.

Mackinlay Michael Maltz Bruce H. Robertson Arthur H. Robinson Lawrence J. Categories : Photographs Photography Visual arts media. Hidden categories: Articles with short description Short description matches Wikidata Use dmy dates from February Commons category link is on Wikidata. Namespaces Article Talk. Views Read Edit View history. Help Learn to edit Community portal Recent changes Upload file. Download as PDF Printable version. Wikimedia Commons.

Photo editor interview questions

Questions 1. Do some research and make a collage of pictures of Earth that have been taken by cameras in space. B Pharmaceutical science and chemistry built on these ancient foundations and perfected the extraction, characterisation, modification and testing of. General material includes revision guidance, past examination questions with answers and a glossary of key terms. Format PDF 3. The NCERT Solution for Class 11 Chemistry presents the answers in the simplest way possible, to ensure the understanding of the subject which are prepared by our experts. Arshad Iqbal.

Photo Quiz – Test Your Photographic Knowledge

Modern photography can be a very complex and involved venture. Below is a series of questions to test your Digital Photographic knowlegde. There will be some true and false questions and also multiple choice. And even a few where you must supply the entire answer. The correct answers will be below.

Skip to main content. Search form Search. Photography as witness readworks answer key pdf. Photography as witness readworks answer key pdf photography as witness readworks answer key pdf b 2. It will help you in improving your speed of attempting due submission and obedience.

Photo Quiz – Test Your Photographic Knowledge

Photo Quiz – Test Your Photographic Knowledge

Questions are for traditional film and digital platforms. Search Speak now. General Knowledge Photography Test! Trivia Quiz. Questions All questions 5 questions 6 questions 7 questions 8 questions 9 questions 10 questions 11 questions 12 questions 13 questions 14 questions 15 questions 16 questions 17 questions 18 questions 19 questions 20 questions 21 questions 22 questions 23 questions 24 questions 25 questions 26 questions 27 questions 28 questions 29 questions 30 questions 31 questions 32 questions 33 questions 34 questions 35 questions 36 questions 37 questions 38 questions 39 questions 40 questions 41 questions 42 questions 43 questions 44 questions 45 questions 46 questions 47 questions 48 questions 49 questions 50 questions. Feedback During the Quiz End of Quiz.

History of photography , method of recording the image of an object through the action of light , or related radiation , on a light-sensitive material. This article treats the historical and aesthetic aspects of still photography. For a discussion of the technical aspects of the medium, see photography, technology of.

Research does not provide a clear answer. Saylor Academy. How is rate of a reaction related to selectivity? Which hydrogen in the reactant is the most reactive towards radical abstraction?. An organic compound is defined as any compound whose molecules contain carbon and hydrogen also known as " hydrocarbons" or Download the App.

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