Physics, asked by teja2662, 1 year ago

what is the chemical used in white and black photos

Answers

Answered by abhinavmathsscience
1
black and white ink
earlier used in inkjet printers
Answered by riddhi66
1
Heya...Black and white photography mainly depends upon the light sensitive material that helps in forming such contrasting images.
That material is AgBr .
When exposed to AgBr, the image then forms on the film.
While the image is developing, sodium sulphate , an oxidised reducing agent converts the AgBr remains into visible metallic surface..☺☺
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