Some students paint the inside of several boxes. they paint each box a different color. they observe that the inside of the box painted white looks brighter than the others. what is the most likely reason this box looks brighter?

In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?

If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c

In a hydrogen molecule there are a total of four charges, 2 protons in the two nuclei, and 2 electrons. how many unique charge-pairs are there (without double counting)?