Homework 6
1. d = 0.793 cm
2. Concave, f = 90 cm, R = 180 cm
3. final image 13.33 cm after second lens; magnification 3.33; image upright;
Homework 7
1A. f = 3.85 x 1014 Hz, f = 4.62 x 1014 Hz, f = 7.41 x 1014 Hz
1B. 5.32 mm, 4.43, 2.76 mm
1C. L = 4.5 m
1D. Not visible light
2A. a = 0.018 mm
2B. angle = 1.72 degrees
2C. L = 83.3 mm
Homework 8
1. 0.0122 radians, 407 nm, 0.016 mm
2. single-slit separation 50.3 mm, double-slit separation 2 mm
3. In air: Constructive 648 nm, destructive 324 nm; on ground constructive and destructive exchange places
(one additional phase shift)
4. 0.0143 degrees, 0.0250 degrees, 0.876 mm, 1.53 mm=
