Question 1 A laser with a wavelength of 569 nm illuminates two narrow slits. The interference pattern from the double slits is viewed on a screen that is 4.90 m away. Over a distance of 46.0 mm there are 10.0 bright fringes. What is the spacing between the two slits? :| Question 2 A 1.1 Ucmtall candle ame is 2.60 m from a wall. You happen to have a lens with a focal length of 27.0 cm, and notice while playing around with it that there are two locations you can place the lens and form a well-focused image of the candle flame on the wall. IWith the lens in the location closest to the wall, what is the height of the image? (Input a positive height}