As electrons orbit the nucleus, according to bohr, they move in

How have the competing explanations' experiments on atoms affected the development of the atomic model?

Suppose you have three polarizing filters, with the second at an angle of 42∘ to the first and the third at an angle of 90∘ to the first. by what perfect will the original intensity of unpolarized light be reduced to after passing through all three filters?

Anybody wanna ? (picture included? )