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In an interference arrangement similar to Young's double-slit experiment, the slits S_1 and S_2 are illuminated with coherent microwave sources, each of frequency 10^6 Hz. The sources are synchronized to have zero phase difference. The slits are separated by a distance d=150.0 m. The intensity I (theta) is measured as a function of theta, where theta is defined as shown. If I_0 is the maximum intensity, then I (theta) for 0lethetale90degree is given by

A

`I(theta)=(i_0)/(2) for theta=30degree`

B

`i(theta)=(I_0)/(4) for theta=90degree`

C

`I(theta)=I_0 for theta=0degree`

D

`I(theta)` is constant for all

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The correct Answer is:
C
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