1. A young's double slit interferometer is illuminated with green light of wavelength 546 nm. The double slits are 0.100 mm apart and the screen is 20.0 cm away form the slits. Find.. a) The angular position of the first minimum on the screen. b) The angular position of the fifth maximum on the screen. c) The distance, on the screen, between the first maximum and the fifth maximum. 2. Microwaves with a wavelength of 1.5 cm are used to transmit television signals coast to coast, through a network of relay towers. (a) What is the frequency of these microwaves? (b) How long does it take a microwave signal to cross the continent from St. John's, Newfoundland, to Victoria, British Columbia, a distance of approximately 6000 km