Question
The active ingredient of X-ray film is:
| A. |
Silver chloride
|
| B. |
Silver bromide
|
| C. |
Silver nitrate
|
| D. |
Gold chloride
|
Show Answer
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Correct Answer � B
Explanation
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|
Ans.B. Silver Bromide
X-ray film is coated with a photosensitive emulsion on both sides. The active ingredient is silver bromide and silver iodide.
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In routine films, both sides are coated whereas, in mammography, only one side is coated.
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X-ray films are most sensitive to blue light and least sensitive to red light. So, the safe light used in the darkroom is the red light.
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