What would be the resultant intensity at a point of constructive interference, if there are two identical coherent waves of intensity I’ producing an interference pattern?(a) 4 I’(b) 0(c) I’(d) 2 I’The question was posed to me by my college director while I was bunking the class.I would like to ask this question from Wave Optics topic in division Wave Optics of Physics – Class 12

What would be the resultant intensity at a point of constructive inter

1.	What would be the resultant intensity at a point of constructive interference, if there are two identical coherent waves of intensity I’ producing an interference pattern?(a) 4 I’(b) 0(c) I’(d) 2 I’The question was posed to me by my college director while I was bunking the class.I would like to ask this question from Wave Optics topic in division Wave Optics of Physics – Class 12
Answer» Correct answer is (a) 4 I’ Explanation: Resultant intensity at the point of CONSTRUCTIVE INTERFERENCE is GIVEN as FOLLOWS: I = I’ + I’ + 2√I’I’ cos 0^o I = 4 I^‘ Therefore, the value of the resultant intensity at a point of constructive interference is 4 I’.

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