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2 non-coherent sources emit light beam of intensities I and 4I. The maximum and minimum intensities in the resulting beam are a) 9I and 3I b) 9I and 5I c) 5I and I d) 5I and 3I

2 non-coherent sources emit light beam of intensities I and 4I. The maximum and minimum intensities in the resulting beam are a) 9I and 3I b) 9I and 5I c) 5I and I d) 5I and 3I

Grade:upto college level

2 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
11 months ago
Dear student

The answer is D. 5I and 3I

Regards
Vikas TU
14148 Points
11 months ago
Dear student 
Above ans is wrong 
Dear student 
Imax = (sqrt I1 + sqrt I2)^2
=9I 
Imin = (sqrt I1 - sqrt I2) ^2
=I 
Good Luck 

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