QUESTION 23 You take a picture with f-number f-4 and a shutter speed of 1/100 seconds. You change the f-number to f/11 and the shutter speed to 1/50 seconds. The light intensity reaching the sensor has changed by what factor?

The solar panels used by mark function because of the photoelectric effect. light shines on the cells causing electrons to be ejected from the metal, which produces an electric current. at night on mars, no light will fall on the solar cells and no electric current will be generated. according to your notes, what type of light is typically needed to cause the photoelectric effect? a)visible b)ultraviolet c)infrared

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?

When measuring volume, why is it important to use the correct tools and units to attain the greatest accuracy? use specific examples from the lab to support your answer. (5 points)