Question 1 :
The deep sea divers wear specially designed suites to protect from<br>
Question 2 :
Soda bottles are made of thick glass so that they can withstand the
Question 3 :
The height up to which water will rise in a capillary tube will be
Question 4 :
A deep sea diver may hurt his ear drum during diving because of:
Question 6 :
A stream of water flowing horizontally with the speed of $15{ ms }^{ -1 }$ gushes out of a tube of cross-sectional area ${ 10 }^{ -2 }{ m }^{ -2 }$ and hits a vertical wall nearby. What is the force exerted on the wall by the impact or water? Assuming it does not rebound.
Question 7 :
The pressure at any point in the liquid is proportional to
Question 10 :
Liquid pressure at a point in a liquid does not depend on the :
Question 11 :
The velocity distribution of a laminar flow through a cylindrical tube is
Question 12 :
The factors on which the pressure at a point in a liquid depends is/are<br/>
Question 13 :
A perpendicular force is applied to certain area and produces pressure P. If the same force is applied to a twice bigger area, the new pressure on the surface is<br>
Question 14 :
The fluid itself exerts pressure whose force component is equal to its ___________. Complete the sentence.<br/>
Question 15 :
Fill in the blank spaces by choosing the correct words from the options given below.<div>Pressure exerted by a liquid_________with the increase in depth. </div>
Question 16 :
When we press the bulb of a dropper with its nozzle kept in water, air in the dropper is seen to escape in the form of bubbles. Once we release the pressure on the bulb, water gets filled in dropper. The rise of water in the dropper is due to
Question 17 :
Pressure which a fluid exerts on the sides of a container , below its free surface is known as
Question 19 :
Fluids do not have their own shape but take the shape of the containing vessel.
Question 20 :
A substance which flows from one point to another point is called is fluid.
Question 23 :
Assertion: Liquid exerts pressure on walls of container
Reason: Molecules of liquid collides continuously with wall
Question 28 :
The pressure inside a liquid of density $\rho$ at a depth $h$ is :
Question 29 :
Three containers are used in chemistry lab. All containers have same bottom area and the same height. A chemistry student fills each of the containers with same liquid to the maximum volume. Which of the following is true about the pressure on the bottom for each container?<br>
Question 30 :
When pressure exerted on fluids by container, then the force is always parallel to the wall. Is the statement true or False<br>
Question 31 :
<span>An ideal fluid <u> </u> its original form when the force is removed.</span>
Question 32 :
<span>The resistance that two adjacent layers of fluid have to moving relative to each other</span>
Question 33 :
A fluid exerts pressure in all possible directions of a container.
Question 34 :
Pressure at a point inside the liquid does not depend upon :
Question 36 :
<span>Velocity of a fluid up to which its flow is streamlined and after which its flow becomes turbulent is called</span>
Question 37 :
<span>The smooth flow of a fluid through a tube is called</span>
Question 38 :
In cities water supply from an overhead tank to.the houses is done due to:
Question 39 :
A girl swims a lake and initially dives 0.5 m beneath the surface. When he dives 1 m beneath the surface, how does absolute pressure changes?<br>
Question 40 :
When two capillary tubes of different diameters are dipped vertically, the rise of the liquid is :
Question 42 :
<p class="wysiwyg-text-align-left"></p><br><span class="wysiwyg-font-size-medium"><p>A piece of iron has a weight of 3.5 N when it is in air and 2.0 N when it is submerged into water. What is the buoyant force on the piece of iron? </p></span><br>
Question 43 :
Which of the following is not an example of a fluid?
Question 44 :
Extremely small pollen grains in water are viewed through a microscope. The grains are seen to<br>move continually and randomly.<br>What is the reason for this random movement?
Question 45 :
Fill in the blank spaces by choosing the correct words from the options given below.<div>Pressure exerted by a liquid_______with the decrease in the density of liquid </div>