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      Question

      Which one of the following determines the sharpness of

      image in a camera?
      A The aperture Correct Answer Incorrect Answer
      B The exposure time Correct Answer Incorrect Answer
      C The focal length of the lens Correct Answer Incorrect Answer
      D Size of the camera Correct Answer Incorrect Answer

      Solution

      Image quality is a characteristic of an image that measures the perceived image degradation (typically, compared to an ideal or perfect image). Imaging systems may introduce some amounts of distortion or artifacts in the signal, so the quality assessment is an important problem. Sharpness determines the amount of detail an image can convey.

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