S03x3aan - NAME PHYS-1200 PHYSICS II QUIZ 3 SOLUTIONS PART A 1 D 2 D 3 E 4 D PART B 1 a N1 = L 7.50 10-6 m = 5.00 10 7 m L L = n =(1.30(15 b N 2

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: NAME PHYS-1200 PHYSICS II QUIZ 3 APRIL 25, 2003 SOLUTIONS PART A. 1. D 2. D 3. E 4. D PART B. 1. a) N1 = L 7.50 10 -6 m = 5.00 10 - 7 m L L = n = (1.30)(15) b) N 2 = /n c) THEY ARE COMPLETELY OUT OF PHASE N2 N1 = 4.5, which is an integer plus . 2. a) N1 = 15 N2 = 19.5 5. C 6. D 7. A 8. C 9. B 10. A b) c) NAME PART C. 1. a) d sin = m , so d = m 1(5.0 10-8 m) = sin sin2.0 d = 1.4 10-6 m = 1.4 m m 1(5.0 10-8 m) = b) a sin = m , so a = sin sin5.0 c) Eel = a = 5.7 10-7 m = 0.57 m p2 h2 (6.63 10-34 J s) 2 = = 2m 2m2 2(9.11 10-31 kg)(5.0 10-8 m)2 Eel = 9.65 10-23 J = 6.0 10-4 eV = 0.60 meV y = 1.7 10-2 m = 1.7 cm d) y = D tan = (0.50 m) tan 2.0 2 Em 2. a) I = , so Em = 2c 0 I = 2(3.0 108 m/s)(4 10-7 H/m)(6.0 10-2 W/m 2 ) 2c 0 Em = 6.7 V/m b) I = Ps , so 4 r 2 Ps = 4 r 2 I = 4 (2.0 m)2 (6.0 10-2 W/m 2 ) Ps = 3.0 W c) Ephoton = hf = (6.63 10-34 Js)(3.0 1012 Hz) Ephoton = 2.0 10-21 J = 1.2 10-2 eV = 12 meV d) In time t, the energy that strikes the screen is U = IAt. Then, the number of photons in U IAt (6.0 10-2 W/m 2 )(2.0 10-4 m 2 )(1.0 s) = = one second is, N = E photon E photon 2.0 10 - 21 J N = 6.0 1015 ...
View Full Document

This test prep was uploaded on 04/18/2008 for the course PHYS 1200 taught by Professor Stoler during the Spring '06 term at Rensselaer Polytechnic Institute.

Page1 / 2

S03x3aan - NAME PHYS-1200 PHYSICS II QUIZ 3 SOLUTIONS PART A 1 D 2 D 3 E 4 D PART B 1 a N1 = L 7.50 10-6 m = 5.00 10 7 m L L = n =(1.30(15 b N 2

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online