Giancoli Ch. 24 – p. 692-3, Problems #1, 2, 7, 15, 27-35 key

1) 4.9 x 10^-7 m

2) 5.9 µm

7) 613 nm

15) 0.22°

27) 4.43°

28) 447 nm

29) 1.64 x 10³ lines/cm

30) m = 1.70, so only one full order can be seen on each side of the central white line

31) 2.20 µm; 53.44°

32) 24°

33) 534 nm; 612 nm; 760 nm

34) two orders can be seen

35) 6.67 x 10³ lines/cm