A light ray is incident an angle 45° with the normal to a $\sqrt{2}$ cm thick transparent plate (n = 2 ). The lateral shift of the light as it emerges out from the plate is
[Given: Lateral shift, $\left.{\mathrm{S}}_{\mathrm{L}}=\frac{\mathrm{tsin} (\mathrm{i}-\mathrm{r})}{\cos \mathrm{r}}\right]$