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How decomposition reaction is used in black and white photography?

Asked: Mohamed Dakkoun, Last Updated:

Complete answer: Silver chloride gets easily decomposed on exposure to light as it is a photosensitive compound. It loses its opaque white appearance on disintegration by light into elemental chlorine and metallic chlorine. This reaction is used in black and white photography and films.

FAQ

  • What is color filter in photography?

    Coloured filters are exactly what they sound like; a piece of colored glass you place in front of the camera's lens. These filters change how the camera sees the light, and the effect depends on the color of the filter. Blue filters will enhance reds and oranges, while playing up the contrast a bit.

  • Do you need a business license for freelance photography?

    Get a business license: Like any business, a freelance photography business needs some type of permit or license to operate in your city, county, or state. In most cases, you need a general business license. However, if you are running your business out of your home, you may also need a Home Occupancy Permit.

  • What does subject matter mean in photography?

    The term subject matter in photography relates to the primary object that's photographed or the primary point of interest onto which the photographer's lens is focused. ... Techniques you can employ to clearly define the primary subject matter in your photos include the following: Lighting. White Balance. Sharpness.

  • Who invented xray photography?

    Physicist Wilhelm Röntgen Physicist Wilhelm Röntgen invented the X-ray photograph while messing about at his home in Würzburg, Germany, with a Crookes tube and a sheet of paper painted with barium platinocyanide.

  • How did painters feel about photography?

    In his view, art was derived from imagination, judgment and feeling but photography was mere reproduction which cheapened the products of the beautiful. ... Painters began to look for things that painting could do that photography could not and painting started to change.

  • What is the most common form of photography?

    Portrait Photography Portrait Photography One of the most common photography styles, portrait photography, or portraiture, aims to capture the personality and mood of an individual or group. Images may be candid or posed, full body or close-ups.

17 Related Question Answers Found:

  • What does a photography class do?

    The lessons in this course apply to basic camera skills, the elements of art and principles of design, landscape, low-light scenes, motion, and portraiture. It would be nearly impossible to list everything, but here are some of things you will learn—and master!

  • What do you enjoy about photography?

    Why I Love Photography

    • I become more appreciative of the moment. ...
    • It increases my creativity. ...
    • I like traveling more. ...
    • I become a nature lover. ...
    • It's given me a positive lifestyle. ...
    • Photos can be a part of history. ...
    • It supplies a side income. ...
    • It's an adventure that always brings new stories.

  • What do you learn when studying photography?

    Studying photography provides you with expertise in sophisticated photography techniques, such as composition, manipulation, editing, processing, colouring and visual effects, as well as practical skills in relevant technologies.

  • Should you use ND filters for landscape photography?

    Solid ND filters are great for long exposure photography and for creating shallow depth of field. They allow you to really get creative with your landscape photography by creating motion blur effects, such as the silky and dreamy effect that you often see with waterfalls and other moving bodies of water.

  • How do you set up a photography light box?

    Use Lightbox Put the photo light box on a broad smooth surface. Make sure that you have the space for lights. Place the object that you want to shoot in the middle point of the white area and take a shot! Read more about how to set a home photography studio to take professional product photography of big sizes.

  • What size lens do I need for sports photography?

    A low-cost sports photography rig based on an APS-C DSLR should give you a combined range of around 18-200mm (35mm equivalent: approx. 28-300mm). This can include one, two, or three zoom lenses.

  • How wide is too wide for landscape photography?

    Traditionally, anything wider than 35mm on a full-frame camera is considered a wide-angle lens; anything wider than 24mm is considered an ultra-wide-angle.

  • Do you need maths for photography?

    Most professional photographers have taken a college or university course to develop their skills. To get on to a photography-related degree or higher education course, you will usually need five GCSEs (A-C) including maths and English and two/three A levels including one in art, design or media.

  • What is the meaning of the Greek words graphos in photography?

    The word 'Photography' comes from the Greek words PHOTOS and GRAPHOS which means Light drawing.

  • What is the best camera for interior photography?

    Best Cameras for Real Estate Photography in 2020

    1. Canon 5D Mark IV. This full-frame sensor camera body has 30.4MP capacity and ISO of up to 32,000. ...
    2. Canon EOS R. The EOS R is a newer mirrorless full-frame camera from Canon. ...
    3. Nikon D850. ...
    4. Sony a7 III. ...
    5. Nikon D750. ...
    6. Canon 6D Mark II. ...
    7. Panasonic Lumix G9. ...
    8. Fujifilm X-T20.

  • Is Photoshop included in the photography plan?

    Photoshop on desktop and iPad are included in all Photography plans. Apps included in the Creative Cloud Photography plan.

  • What is the subject in forensic photography?

    Photograph crime scenes, accidents, surveillance subjects, suspects and victims, documents, tool marks and impressions, and other forensic evidence. Present photographs in court. Identify the legal aspects of forensic photography.

  • What is bracketing for photography?

    Bracketing is a technique where a photographer takes shots of the same image using different camera settings. ... The most common type of bracketing is exposure bracketing, where the same shot is captured with at least three different exposures.

  • What ISO is best for outdoor photography?

    In most cases, outside in full sun, an ISO of 100 is necessary to bring about the exposure triangle. Full sun puts so much light onto the camera sensor that a low ISO and high shutter speed are required. As a result, a shutter speed of at least 1/1000 can be expected.

  • What is the difference between aerial photography?

    Simply put, satellite images generally cover a much wider area and therefore have larger scale scientific applications. Aerial images, which are taken at a lower altitude and thus cover a smaller amount of area, are more suited to smaller scale applications like advertising and marketing.

  • Why is photography important in marketing?

    Marketing is a well-studied field, and the results from decades of research are clear: Photographs encourage engagement and increase the likelihood of people to act. No matter how powerful your marketing material is, it can only succeed if it encourages people to reach out to your business or take other actions.

  • Is street photography ethical?

    In the same way, street photography in and of itself is not an ethical issue. ... The ethos of most street photographers is to maintain the right of freedom of expression, and to capture the world through images.

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