English
Karnataka Board PUCPUC Science Class 11

A Beaker Containing a Liquid is Kept Inside a Big Closed Jar. If the Air Inside the Jar is Continuously Pumped Out, the Pressure in the Liquid Near the Bottom of the Liquid Will

Advertisements
Advertisements

Question

A beaker containing a liquid is kept inside a big closed jar. If the air inside the jar is continuously pumped out, the pressure in the liquid near the bottom of the liquid will

Options

  • increase

  • decrease

  • remain constant

  • first decrease and then increase

MCQ
Advertisements

Solution

decrease
As the air inside the jar is pumped out, the air pressure decreases. Thus, the pressure in the liquid near the bottom of the beaker decreases.

shaalaa.com
  Is there an error in this question or solution?
Chapter 13: Fluid Mechanics - MCQ [Page 271]

APPEARS IN

HC Verma Concepts of Physics Volume 1 and 2 [English]
Chapter 13 Fluid Mechanics
MCQ | Q 6 | Page 271

RELATED QUESTIONS

A plane is in level flight at a constant speed and each of its two wings has an area of 25 m2. If the speed of the air is 180 km/h over the lower wing and 234 km/h over the upper wing surface, determine the plane’s mass. (Take air density to be 1 kg m–3).


A man exerts same pressure on the ground whether he is standing or he is lying.


Name two factors on which the pressure on a surface depends.


Why do camels or elephants have broad feet?


Find the thrust required to exert a pressure of 50000 pascals on an area of 0.05 m2 ?


The base of a container measures 15 cm × 20 cm. It is placed on a table top. If the weight of the container is 60 N, what is the pressure exerted by the container on the table top?


If someone presses a pointed needle against your skin, you are hurt. But if someone presses a rod against your skin with the same force, you easily tolerate. Explain.


The pressure in a liquid at two points in the same horizontal plane are equal. Consider an elevator accelerating upward and a car accelerating on a horizontal road. The above statement is correct in


Water flows through a horizontal tube of variable cross section. The area of cross section at A and B are 4 mm2 and 2 mm2 respectively. If 1 cc of water enters per second through A, find (a) the speed of water at A, (b) the speed of water at B and (c) the pressure difference PA − PB.



A water tank has four taps fixed at points A, B, C, D as shown in the following figure. The water will flow out at the same pressure from taps at 


The total force exerted by a body normal to the surface is called ______.


Analogy

Broader straps: ______:: Thin needles: ______.


Why do scuba divers wear a special suit while they go into deep sea levels?


Determine the pressure when a force of 200 N acts on the area

  1. 20 m2
  2. 8 m2

Give reasons why:

heavy trucks are fitted with 6 to 8 wheels


The net force in a particular direction is called ______.


All flowing substances, both liquids, and gases are called ______.


What is the SI unit of pressure?


The force exerted by liquid perpendicular to the surface of the body is equal to the product of ______ at that point. 


A vessel filled with water is kept on a weighing pan and the scale adjusted to zero. A block of mass M and density ρ is suspended by a massless spring of spring constant k. This block is submerged inside into the water in the vessel. What is the reading of the scale?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×