The bob of a simple pendulum of mass `100g` is oscillating with a time period of `1.42s`. If the bob is replaced by another bob of mass `150g` but of same radius, the new time period of oscillation

The bob of a simple pendulum of mass 100 g is oscillating with a time period of 1.42s. If the bob is replaced by another bob of mass 150 g but of same radius what be the new time period of oscillation ?

The bob of a simple pendulum of mass 200g is oscillating with a time 2sec . If the bob is replaced by another bob of mass 450g but of same radius what will be the new time period of oscillation?

The bob of a simple pendulum is made of wood. What will be the effect on the time period if the wooden bob is replaced by an identical bob of aluminium?

The periodic time of a simple pendulum is 3 sec. The mass of its hollow spherical bob is 100 gram. The bob is then filled with sand, so that the mass of the bob becomes 200 gram. Then the new period of oscillation of the simple pendulum wil be