There are three solids made up of aluminum, steel and wood, of the same shape and same volume. Which of them would have highest inertia?

A circular plate, a cube and a sphere, all made up of same material and having the same mass, are heated to 300^@C and left in a room. Which of them will have the slowest rate of cooling?

A sphere, a cube and a thin circular plate, all having the same mass and made of the same material are heated to the same temperature and them allowed to cool. Which of them cools fastest ?

There are two spheres of same mass and same radius, one is solid and other is hollow. Which of them has a larger moment of inertia about its dimeter ?

Two lenses, one convex and other concave, are of same mass and same radius. Which will have greater moment of inertia?

Which of the following species have same shape and same bond order ?