Question

All the following objects have equal mass. The directions of the movement of the objects in water are indicated by arrows. Which object will take the shortest time? Why?

Answer 1

Answer

B

Explanation

Its surface area is less so it will be able to penetrate the water more effectively. (because of surface tension the surface of water acts like a stretched membrane so as the surface of (b) which is moving towards water has lesser area, it will penetrate easlily)