Force and Press...

Which of the following options is/are TRUE?

Read the following statements and choose the correct option.

Statement A: Buoyant force on a fully immersed sphere will be more than that on a cube which is made of the same material and has the same mass as the sphere.

Statement B: Sphere will displace less volume as compared to the cube.

A solid piece of iron sinks in water but floats in mercury. This is because the

A sphere made of iron is immersed in water. Another sphere of same dimensions but made of aluminium is immersed in alcohol. Choose the correct statement from the following.

When you press a rubber sucker against a surface, most of the air between its cup and the surface escapes out. To pull the rubber sucker off the surface, the applied force should be

What happens when a stream of air is blown through a tube under one of the pans of a physical balance in equilibrium?

A deep sea diver may hurt his eardrum during diving because of

Water is flowing through a pipe under constant pressure. At some place, the pipe becomes narrow. The pressure of water at this place

A raft is 2.35 m wide, 1.25 m long, and 0.365 m deep. What is the buoyant force on the raft, if only 0.125 m of the raft remains above water? (Take g = 10 m/s²)