1. With the help of angular connection point, how many triangles can be formed from a 12 handed triangle?
2. In how many shells hydrogen molecule of water molecule is arranged due to effect of external shell?
4. One student measured diferent effective length of a simple pendulum for different time period. Now if he wants to plot a grap with the obtained value, what will be the name of the graph?
5. Which reaction is not oxidation-reduction reaction?