MCQ
Select the correct statement
- APhotography is based upon photosensitivity of silver halide mainly $AgBr$
- BSodium thiosulphate is used to remove the unexposed $AgBr$ from photographic film
- C$AuCl_3$ is used in toning
- ✓All are correct
✓
Answer
Correct option: D.
All are correct
d
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