How far apart are the lines formed by the singly charged ions of each type on the photographic film? Express your answer using two significant figures. Enter your answers numerically separated by a comma.

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?