Find the value of \(\dfrac{I}{I_0}\) when I is the intensity at a point on the screen where path difference is \(\dfrac{\lambda}{3}\) and Io is the maximum intensity
1
\(\dfrac{1}{{4}}\)
2
\(\dfrac{\sqrt{3}}{2}\)
3
\(\dfrac{1}{\sqrt2}\)
4
\(\dfrac{3}{4}\)