Lecture Note
Principle of Super Position
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University
Princeton University Course
PHY 103 | General Physics IPages
2
Academic year
2023
-
abdulsalam23745
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0
Principle of super position when two or more wave sup- er imposed at a point, the wav- es will form a single wa- ve, then the displacement of that wave is equal to the alg- ebraic some of individual displacement. Resultant amplitude :- y, + y2 y y=y,+y2 A2 0 A, Q=phase difference AR= Ait A2++A intensity Resultant(IR) I,XA, AA Ai + A2't 2A1A2COSQ I2XA2 KAR = KAit KAit 2 JKAIFKA2 COSO IR Ap IR=I, +I2+2VI,JI,COSD IR = I,+I2+1 I IIT2 cost constructive interference AR , In :Maximum COSO=1 0=2011 Amax = AHA212A,A2
Amar = A,+A2 Imax = I,+I2+2 I,I2 = Imax = Distructive interference AROIR =min cost=1 $= (2n-1)5 Amin = AHAI-2AIA, Amin = A.-A2 Imin = Imax = THE VI, Imin Imax 2 AITA2 = Imin A1- A2
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Principle of Super Position
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