1. Two convex lenses are used together to image objects. Pinky the cat is sitting 30 cm from the first lens, which has a focal length of 10 cm. A second lens, with focal eThrqih5 cm. is positioned 25 cm from the first. What is the magnification of Pinky's image through the two lenses?
2. A vertically polarized beam of light of intensity 100 W/m2 passes through two polarizers. The first polarizer is making an angle of 20° with its transmission axis and the second one is making an angle of 50° with the initial transmission axis. What is the transmitted intensity of this beam of light?