Question

9) Black and white photography uses :
a) Decomposition of silver chloride
c) Both d) None of these
b) Decomposition of silver bromide

Answer 1

Answer: option  c . Both

both undergo photochemical decomposition

Answer 2

Answer: Decomposition of silver bromide.

Explanation:

Photographers used a coating of silver halides, which are molecules of silver metal and halide gases present combined in an emulsion of gelatin in a plastic or glass beaker, to develop photography as a science in the 19th century. The same fundamental response that was employed in the past is being used in today's photographic process.

The unique photosensitivity of silver bromide is well recognised, and as a result, it has evolved into the foundation of current photographic materials. Silver bromide decomposes in the presence of light, resulting in silver that is grey in color.

The right response is Decomposition of silver bromide.

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