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 _______.

A

3

B

4

C

1/3

D

1/4