In a streamlined flow,
a. the speed of a particle always remains the same.
b. the velocity of a particle always remains the same.
c. the kinetic energies of all the particles arriving at a given point are the same.
d. the momenta of all the particles arriving at a given point are the same.
Choose the correct option:
1. (a) and (b)
2. (b) and (c)
3. (c) and (d)
4. All of these