A compound microscope is equipped with two objective lenses (10x and 45x) and has a 10x ocular lens. The highest magnification attainable with this instrument is

Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct

The cerebellum controls? thirst sensations sleep-wake cycles hand-eye coordination heart rate and pulse

Which graph represents motion with an object with positive velocity that is located at a position of 3 meters at a time of 0 seconds? a) a b) bb eliminate c) c d) d