Q.

The light waves from two coherent source have same intensity I1=I2=I0. In interference pattern the intensity of light a minimum is zero. What is the intensity of light at maxima?

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a

I0

b

2I0

c

5I0

d

4I0

answer is D.

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Detailed Solution

Maximum intensity in interference pattern Imax=I1+I22=2I02=4I0

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