In a Young's double-slit experiment, a set of parallel slits with a separation of 0.102 mm is illuminated by light having a wavelength of 566 nm, and the interference pattern observed on a screen 4.50 mfr om the slits. (a) What is the difference in path lengths from the two slits to the location of a third-order bright fringe on the screen? m

(b) What is the difference in path lengths from the two slits to the location of the third dark fringe on the screen, away from the center of the pattern? m

Which are examples of projectile motion? choose all that apply a. a soccer ball rolling across the ground in the northeast direction b. a car turning a corner, so it is heading south c. a javelin flying through the air d. a tennis ball lobbed over the net

With i really need the correct answer!

You want to lose weight and have been trying to decide which type of fad diet is best for you. you ask your doctor, who responds that a. fad diets are a temporary fix but generally don't have any side effects b. fad diets can be used several times a year to maintain a healthy weight c. fad diets can be risky for your health and, in the long run, do not work d. fad diets should never be used one right after the other; there should be a break between them select the best answer from the choices provided. a b c d