Ch 32 Recit key - Section: S2L Recit Section: lecture...

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Unformatted text preview: Section: S2L Recit Section: lecture Teacher: Mr. Carlos F. Baldo lll cJn zz // B..ll- r<7 Pfutsics 72: Bccita'h'onr Aa$vi\ Chapter 32 lltxtM ' 2oo semester AY 2008-20A9 Encircle the letter of the correct answer. Solve each problem clearly and completely for full credit. L. Which of the following statements is FALSE regarding E and B of a plane electromagnetic wave travelling in empty spa ce? A. Amplitudes are related by E = cB TRUE q. Are mutually perpendicular Tbue A OscillategOdoutof phasewithoneanother fALcg I e ana B rruts"l- b€ rN ph"s< D. Travel at the same speed of light c = 3.0 x 108 m/s fpu€ in Va-c,u.,.^rn E. Propagate along the direction of the poynting vector fpwg G = € * i 2. Two light waves are travelling in vacuum. Light wave A has thrice the wavelenrantilight wave B. What can be said abo ut the frequencies of A and B? A' fn= fu B. fn =3fu tr -fn=/fu D. "fn = {3fu E' f^ = /.6.f, 5. At a certain moment in time,-11 It vector is pointing in the +i + j aov "/ A. +f+i X sin.c, E l-il +f - i ,/ sce th'e c....
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Ch 32 Recit key - Section: S2L Recit Section: lecture...

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