Advertisements
Advertisements
Question
How is the unit bar related to the S.I. unit pascal?
Advertisements
Solution
1 bar = 105 pascal.
APPEARS IN
RELATED QUESTIONS
A body experiences the same buoyant force when it floats or sinks in water.
A body while floating sinks deeper in a liquid of low density than in a liquid of high density.
Which of the following will sink or float on water? (Density of water = 1 g Cm-3)
body C having density 1100 kg m-3
Differentiate between thrust and pressure.
The diagram below in Fig. 4.12 shows a device which makes the use of the principle of transmission of pressure.

- Name the parts labelled by the letters X and Y.
- Describe what happens to valves A and B and to the quantity of water in the two cylinders when the lever arm is moved down.
- Give reasons for what happens to valves A and B in part (ii).
- What happens when the release valve is opened?
- What happens to valve B in cylinder P when the lever arm is moved up?
- Give a reason for your answer in part (v).
- State one use of the above device.
The pressure inside a liquid of density p at a depth h is :
It is easier to lift a heavy stone under water than in air. Explain.
Select the correct option:
When a body is wholly or partially immersed in a liquid, it experiences a buoyant force which is equal to:
Consider the statement given below and choose the correct option.
Assertion: Water strider slides easily on the surface of the water.
Reason: Water strider experiences less buoyant force.
The point at which the force of buoyancy is supposed to act is known as ______.
