week09 - This week Please hand in HW5 Lab report due next...

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Unformatted text preview: This week Please hand in HW5 Lab report due next class for lab 4 Today we continue lab 4 phasors E R = E 1 + E 2 consider same frequency but arbitrary phase define = k i x+ E 1 = Re( E 01 e i ( 1 t ) ) E 2 = Re( E 02 e i ( 2 t ) ) define E R = Re( E e i ( t ) ) E e i = E 01 e i 1 + E 02 e i 2 E 2 = E 01 2 + E 02 2 2 E 01 E 02 cos(180 2 + 1 ) E 2 = E 01 2 + E 02 2 + 2 E 01 E 02 cos( 2 1 ) tan = E 01 sin 1 + E 02 sin 2 E 01 cos 1 + E 02 cos 2 Easy to generalize to more than 2 waves tan = E i sin i E i cos i E 2 = E i 2 + 2 E i E j cos( j i ) i = 1 N j > i N Single Slit Single Slit = E Rk sin cos kb 2 sin cos kb 2 sin cos A cos B = 2sin( A + B 2 )sin( A B 2 ) E = 2 E Rk sin sin( kb 2 sin ) = E b R sin( kb 2 sin ) kb 2 sin...
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week09 - This week Please hand in HW5 Lab report due next...

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