Consider the following statements:
1. For achieving dynamic in model studies on ships, Froude numbers are equated.
2. Reynolds number should be equated for studies on an aerofoil for dynamic similarity.
3. In model studies on a spillway, the ratio of width to height is equated for kinematics similarity.
What of the statements given above are correct?
a. 1,2 and 3 b. 1 and 2
c. 2 and 3 d. 1 and 3