1065_Physics ProblemsTechnical Physics

1065_Physics ProblemsTechnical Physics - 406 Interference...

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Unformatted text preview: 406 Interference of Light Waves ANSWERS TO EVEN PROBLEMS P37.2 515 nm P37.40 1.20 mm P37.4 (a) 36.2° ; (b) 5.08 cm ; (c) 508 THz P37.42 449 nm; blue P37.6 maxima at 0° , 29.1° , 76.3° ; minima at 14.1° and 46.8° P37.44 (a) see the solution; (b) 2.74 m P37.8 36.2 cm P37.46 P37.10 641 number of antinodes = number of constructive interference zones = 1 plus 2 times the greatest positive d integer ≤ P37.12 6.33 mm s P37.14 see the solution P37.16 (a) 1.29 rad; (b) 99.8 nm P37.18 0.968 P37.20 (a) see the solution; (b) 9.00 P37.22 (a) 2.88E0 at 0.349 rad ; P37.24 P37.26 FG H IJ K P37.48 (b) 2.00E0 at (d) E0 at λ number of nodes = number of destructive interference zones = 2 times the greatest d1 positive integer < + λ2 3π rad 2 see the solution FG H IJ K 1 λ where 48 m = 0 , 1, 2 , 3 , … x1 − x 2 = m − P37.28 see the solution P37.30 612 nm P37.32 512 nm P37.34 96.2 nm P37.36 (a) 238 nm; (b) λ increase ; (c) 328 nm P37.38 1.31 P37.50 5.00 km 2 P37.52 2.50 mm P37.54 113 P37.56 π rad ; (c) 0; 3 λ 2 n −1 115 nm P37.58 (a) see the solution; (b) 266 nm P37.60 see the solution P37.62 see the solution P37.64 (a) 14.7 µm ; (b) 1.53 cm; (c) −16.0 m P37.66 7.99 sin ω t + 4.44 rad P37.68 130 nm P37.70 0.498 mm af b g ...
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