D

Deepak Sahoo • 10.78K Points
Tutor II Chemistry

Q. Photographic plates are covered with black paper because

  • (A) sunlight is easily absorbed by black paper and it helps develop the film
  • (B) the cellulose acetate of the paper must remain fresh
  • (C) the conservation of silver bromide to metallic silver is essential
  • (D) silver bromide present on the plate is very sensitive to light and black paper prevents contact with light
  • Correct Answer - Option(D)
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  • Filed under category Chemistry

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