Intensity of light at a point on the screen due to two coherent sources each generating an intensity Io at the point and reaching the point at a phasedifference of φ is given by _____________.

Intensity of light at a point on the screen due to two coherent source

1.	Intensity of light at a point on the screen due to two coherent sources each generating an intensity Io at the point and reaching the point at a phasedifference of φ is given by _____________.
A.	I = Iocos2(φ/2)
B.	I = 4Iocos2φ
C.	I = Iocos2φ
D.	I = 4Iocos2(φ/2)
Answer» E.

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Intensity of light at a point on the screen due to two coherent sources each generating an intensity Io at the point and reaching the point at a phasedifference of φ is given by _____________.

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