Explanation

• Silver bromide is useful in photography. whilst silver bromide is exposed to light it undergoes photochemical decomposition.
• The silver ions found in silver bromide are decreased to silver metallic which remains as an opaque photo at the photographic film.
• Silver bromide is a light sensitive salt and has been utilized in photography to coat a gel protected movie as silver halides which, after the film has been exposed are ‘evolved’ and render a poor photo of the precise scene fascinated by a digital camera.