Consider the following statements:
1. The degree of freedom for lower kinematic pairs is always equal to one
2. A ball-and-socket joint has 3 degrees of freedom and is a higher kinematic pair
3. Oldham’s coupling mechanism has two prismatic pairs and two revolute pairs.
Which of the statements given above is/are correct?
(a) 1, 2 and 3 (b) 1 only
(c) 2 and 3 (d) 3 only