Interference Of Waves Flashcards

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1
Q

Resultant Amplitude

A

A = (a1^2 + a2^2 + 2a1a2cosphi)^1/2

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2
Q

Tan theta=?

A

A2sinphi/(a1+a2)

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3
Q

Constructive interference condition

A

Phi = 0 or 2n||

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4
Q

Destructive interference condition

A

Phi= (2n-1)||

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5
Q

Max amplitude

A

Amx = (a1+a2)^2

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6
Q

Max intensity

A

Imax = [ (I1)^1/2 + (I2)^1/2]^2

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7
Q

Minimum amplitude :

A

Amin = (A1 ~ A2)^2

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8
Q

Minimum intensity :

A

Imin = [ (I1)^1/2 - (I2)^1/2]^2

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