Physics, 27.12.2019 06:31, alexiss7026

Acamera takes a properly exposed photo with a 4.0 mm diameter aperture and a shutter speed of 1/1000 s. if the photographer focuses on the same point, but changes the speed to 1/250 s. what needs to happen to the diameter of the aperture, if it is still properly exposed? a. nothing b. d' = 16 mm c. d'=1.0 mm d. d' = 8.0 mm e. d'=2.0 mm

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Acamera takes a properly exposed photo with a 4.0 mm diameter aperture and a shutter speed of 1/1000...