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Question is attached in the pic.. {All P-4 Ch-16 pg-22 Q26}

Question is attached in the pic..
 
{All P-4 Ch-16 pg-22 Q26}

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Grade:12th pass

1 Answers

Manas Bondale
11 Points
8 years ago
It becomes a diffraction pattern ;) . The answer is B.
Use formula I^2 + I^2 + sqr-root (I I) cos(phase-difference).

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