Nearly monochromatic light of wavelength 420 nm is split in two beams. the first beam traveled 105 nm to the screen more than the second beam, thus yielding a path difference of 105 nm. a) calculate the phase difference between the two beams. the interference pattern of the two beams will be (a) destructive (b) constructive (c) more information is needed

Calculate the ratio of h+ ions to oh– ions at a ph = 6. find the concentration of h+ ions to oh– ions listed in table b of your student guide. then divide the h+ concentration by the oh– concentration. record this calculated ratio in table a of your student guide. compare your approximated and calculated ratios of h+ ions to oh– ions at a ph = 6. are they the same? why or why not? record your explanation in table a. what is the concentration of h+ ions at a ph = 6? mol/l what is the concentration of oh– ions at a ph = 6? mol/l what is the ratio of h+ ions to oh– ions at a ph = 6? : 1

The pressure proportional to the area a- inversely b- directly c- increase d-decrease

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up