Q.36. In interference experiment the path difference between two interfering waves at a point A on the screen is $\lambda/3$, where $\lambda$ is the wavelength of these waves, and at another point B the path difference is $\lambda/6$. The ratio of intensities at points A and B is ________.

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Q.36. In interference experiment the path difference between two interfering waves at a point A on the screen is $\lambda/3$ , where $\lambda$ is the wavelength of these waves, and at another point B the path difference is $\lambda/6$ . The ratio of intensities at points A and B is ________.

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