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22-04-2024
Physics

Answered

The exposure index EI for a 35 millimeter camera is a measurement of the amount of light that hits the film. It is determined by the equation EI=log2((f²)/(t)), where f is the 'f-stop' setting. What is the exposure index for a 35 millimeter camera if the f-stop setting is 2 and the time is 1 second?

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