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Why bare photographic film needs help

Why bare photographic film needs help

Traditional photographic film can detect X-rays because exposure causes a chemical change that later darkens the film. The problem is that most X-ray photons pass through bare film without interacting, so the film is not very sensitive on its own.

Image detection and enhancement (A-level only) Lesson

  1. A Level
  2. /Physics
  3. /Image detection and enhancement (A-level only)

Step-by-step lessons on AQA A Level Physics Image detection and enhancement (A-level only). Each one builds up to exam-style questions. Physics is one of the most mathematically demanding A Levels -- at least 40% of the marks require maths skills at Level 2 (GCSE) standard or above, so build calculation and graph-handling fluency alongside the conceptual content from the start.

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