7
QuizMultiple Choice

Dual Nature of Light — Quiz

Question 7 • Physics

As part of the photoelectric effect, which of these is responsible for the pixels in an image on a digital camera?

Answer
A
accumulated photons that are absorbed by the image sensor
B
accumulated electrons that are absorbed by the image sensor
C
accumulated electrons that are ejected by the image sensor
D
accumulated photons that are ejected by the image sensor

Explanation

Photons striking the camera’s image sensor transfer energy to electrons in the sensor. These electrons are ejected and collected as electrical charge; the amount of charge at each sensor location represents a pixel’s brightness. Thus, accumulated electrons ejected by the image sensor are responsible for forming the image.

AI-written and checked against the verified answer.

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