Monochromatic light is incident from the top onto two glass plates, as the drawing shows. the bottom slide is rotated counterclockwise about the point of contact, so that the wedge angle becomes smaller and smaller. what happens to the bright fringes?

okay i have so many questions. but the big one here is: um wt..f is this mess? ?

the minimum amperage that the current in this wire would have to have so that its weight is completely supported by the magnetic force due to earth's field, assuming that no other forces except gravity act on it

part 1: which substance has a higher solubility?

a

smallest amount left undissolved atall temps in table shown most has dissolved high sol'by