Subject :NSO Class : Class 6
The given diagram shows the positions of four different objects after they have been dropped into a trough of water. Which of the following correctly matches the objects used?
A
1- Ping pong ball, 2 – marble, 3 - crushed aluminium foil, 4 - iron rod
B
1 – Ping pong ball, 2 – iron rod, 3 – crushed aluminium foil, 4 – marble
C
1 – Crushed aluminium foil, 2 – ping pong ball, 3 – iron rod, 4 – marble
D1 – Crushed aluminium foil, 2 – iron rod, 3 – marble, 4 – ping pong ball
plz explain how