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State Pascal's law. - Physics

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प्रश्न

State Pascal's law.

टीपा लिहा
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उत्तर १

Pascal's law states that pressure applied to an enclosed liquid, is transmitted equally to every part of the liquid or in other words when pressure is applied at a point in a confined fluid, it is transmitted undiminished and equally in all directions throughout the liquid.

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उत्तर २

The pressure applied at any point of a liquid at rest, in a closed system, will be distributed equally through all regions of the liquid.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Fluids - Exercise 3 [पृष्ठ १७७]

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फ्रँक Physics [English] Class 9 ICSE
पाठ 4 Fluids
Exercise 3 | Q 10 | पृष्ठ १७७
सामाचीर कलवी Science [English] Class 8 TN Board
पाठ 2 Force and Pressure
Exercises | Q IX. 3. a. | पृष्ठ २०

संबंधित प्रश्‍न

Define one pascal (Pa), the S.I. unit of pressure.


State Pascal's law of transmission of pressure.


Draw a simple diagram of a hydraulic jack and explain its working.


Explain the working of a hydraulic brake with a simple labelled diagram.


The areas of pistons in a hydraulic machine are 5 cm2 and 625 cm2. What force on the smaller piston will support a load of 1250 N on the larger piston? State any assumption which you make in your calculation.


66640 Pa pressure is exerted by 0.50 m vertical column of a liquid. If g = 9.8 Nkg−1, calculate the density of the liquid.


The area of cross-sections of the pump plunger and press plunger of a hydraulic press is 0.02 m2 and 8 m2 respectively. If the hydraulic press overcomes a load of 800 kgf, calculate the force acting on the pump plunger.


Select the correct option.

Pressure applied in liquids is transmitted with undiminished force


Define the SI unit of pressure.


The following figure shows a manometer containing a liquid of density p. The limb P of the manometer is connected to a vessel V and the limb Q is open to atmosphere. The difference in the levels of liquid in the two limbs of the manometer is h as shown in the diagram. The atmospheric pressure is P0.

(i) What is the pressure on the liquid surface in the limb Q?

(ii) What is the pressure on the liquid surface in the limb P?


Name three applications of Pascal's law.


Define up thrust and state its SI unit.

What do you mean by the term upthrust of a liquid?

What are the factors on which the pressure of a liquid depends?


State two applications of Pascal's law.


State two uses of a hydraulic press.


The density of iron is 7800 kg m-3. What do you mean by this statement? What is density of water at 40C?


Unit of pressure is 


A hydraulic press can lift 100 kg when a mass 'm' is placed on the smaller piston. It can lift ______ kg when the diameter of the larger piston is increased by 4 times and that of the smaller piston is decreased by 4 times keeping the same mass 'm' on the smaller piston.


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