Physics question and answers for April 02, 2024
- Q bmerged at height Neglect Find the ter to a 7 40 A uniform rod of length b capable of tuning about its end which is out of water rests inclined...
- Q on a At ong 7 16 A closed rectangular tank is completely filled with water and is accelerated horizontally with an acceleration a towards right Pressure is i maximum at...
- Q 7 A wind with speed 40 m s blows parallel to the roof of a house The area of the roof is 250 m Assuming that the pressure inside the...
- Q A cubical box is completely filled with liquid of mass m and is given a horizontal acceleration a ignore atmospheric pressure Ich dacht dat c m 4a a gufa Ha...
- Q 7 28 A circular cylinder of height h 10 cm and radius r 2 cm is opened at the top and filled with liquid It is rotated about its vertical...
- Q and its 7 8 A large open tank has two holes in the wall One is a square hole of side L at a depth y from the top and...
- Q Question 21 A rod of cross sectional area A is floating as shown in figure below The density of liquid A is p that of liquid B is p2 and...
- Q A cylinder of density d is floating with th of its volume inside a liquid A of density d and the remaining in a liquid B of density d Then...
- Q 1 53 3 E E 2 4 E E Ideal liquid is flowing through the tube of Q 53 uniform cross section The liquid has velocities v and v and...
- Q A cylindrical tank of height 0 4 m is open at the top and has a diameter 0 16 m Water is filled in it up to a height of...
- Q Air at standard atmospheric condition flows through a pipe at a velocity of spoint 20 m s which then narrows down to smaller size The velocity at the throat becomes...
- Q A rod of length 6 m has specific gravity p 25 36 One end of the rod is tied to 5 m long rope which in turn is tied to...
- Q EXPLAIN THE CONCEPT THE FORMULA AND THE REASON FOR APPLYING IT HERE PLS EXPLAIN IN DETAIL 22 Air density p is being blown o a soap film surface tension T...
- Q A capillary tube of radius r is mounted vertically with its bottom end inside water The surface tension of water is o and its density is p Inside the capillary...
- Q solid sphere of radius r and density po is Id inside a liquid of density 3po with the Ip of a string whose other end is fixed to e bottom...
- Q An open vessel whose bottom has round hole of diameter 0 1 mm is filled with water The maximum height upto which water can be filled without leakage is Surface...
- Q Diameter of sphere 1 9 cm 0 45 Radius of sphere 0 95 cm 0 025 Mass of sphere 28 236 g 0 003 Length of sphere diameter 1 9cm...
- Q 3 A large open tank has two holes in the wall One is a square hole of side L at a depth y from the top and the other is...
- Q B 300K 400K Vapour pressure of liquid at 300 K is 20 mm of Hg and 400 K is 40 mm of Hg Very long time after opening the stopper...
- Q 12 The flow of blood in a large artery of an anesthetised dog is diverted through a venturi meter The wider part of the meter has cross sectional area equal...
- Q Q15 A spherical body of radius R consists of a fluid of constant density and is in equilibrium under its own gravity If P r is the pressure at r...
- Q Q33 A wooden stick of length L radius R and den sity p has a small metal piece of mass m of negligible volume attached to its one end Find...
- Q the top er is 18 A hollow cylinder of mass m made heavy at its bottom is floating vertically in water It is tilted from its vertical position through an...
- Q Q1 A thin uniform cylindrical shell closed at both ends is partially filled with water It is floating ver tically in water in half submerged state If pe is the...
- Q Q5 A hemispherical portion of radius R is removed from the bottom of a cylinder of radius R The vol ume of the remaining cylinder is V and mass M...
- Q 18 Two small drops of mercury each of radius coalesce to form a single large drop The ratio the total surface energies before and after change is 1 1 21...
- Q A solid cylinder radius 0 150 m height 0 120 m has a mass of 7 00 kg This cylinder is floating in water Then oil of density 725 kg...
- Q iroda 7 A ball falling in a lake of 200 m shows a decrease of 0 1 in its volume at the base of the lake The bulk modulus of...
- Q A small ball is left in a viscous liquid in a tall container from large height Correct graph of its speed with time is Assume clock starts when ball hits...
- Q 9 What is the velocity v of a metallic ball of radius r falling in a tank of liquid at the instant when its acceleration is one half that of...
- Q Force on a Tube ejecting a Liquid Figure shows a tank of which side wall is having an attached narrowing tube of which cross sectional area decreases from S to...
- Q A false statement is 1 Angle of contact 0 90 if cohesive force adhesive force 2 2 Angle of contact 0 90 if cohesive force adhesive force 2 3 Angle...
- Q Two spherical soap bubbles of radii r and r in vacuum combine under isothermal conditions The resulting bubble has a radius equal to mathione criathong mathongo 1 2 TIT2 11...
- Q 4 inversely proportional to h Two drops of equal radius are falling the 060 6 with a steady velocity of 5 cm s If the two drops coalesce then its...
- Q The velocity of propagation of waves V in a shallow liquid depends on the liquid depth h gravity g surface tension o units of N m and liquid density p...
- Q 30 A cylinder is filled with a liquid of density d upto a height h If the beaker is at rest then the mean pressure on the wall is 1...
- Q 7 A light cylindrical vessel is kept on a horizontal surface Its base area is A A hole of cross A section is made on the side wall just at...
- Q Awooden block with a coin placed on its top Floats in water as shown in Figure The distance I and h are shown in the figure After some time the...
- Q A particle is suspended from a fixed point by a light inextensible thread of length 7 With what velocity the particle must be projected horizontally from its lowest point so...
- Q A wooden block of density 0 5 g cc is tied to a string The other end of the string is fixed to the bottom of a tank The tank...
- Q 51 A body floats in water with its one third above the surface The same body floats in a liquid with one third volume immersed The density of the liquid...
- Q 9 A wooden block is floating with some part immersed in water If the vessel moves upward with an acceleration a then the fraction immersed in water will 1 Increase...
- Q A sphere of uniform density floating in a glass of wat refer to figure can be at any distance from axis of glass Q Where will be the sphere located...
- Q 27 An air bubble of radius r in water is at certain depth below the water surface If P is the pressure inside the bubble then the depth below the...
- Q 16 A soap bubble is having internal a external radii as R and 2R respectively surface tension of soap solution is T the excess pressure inside bubble will b SOL...
- Q If two liquids of same masses but densities P and P2 respectively are mixed then density of mixture is given by a p c p P P 2 2P1P2 P...
- Q 18 A piece of solid weighs 120 g in air 80 g in water and 60 g in a liquid The relative density of the solid and that of the...
- Q Multiple Answer type questions 11 If copper floats on mercury and gold sinks in mercury then which is false a copper is less denser than gold b mercury has least...
- Q Two light bodies are kept floating on the surface of water very close to each other as shown below Water surface takes different shapes depending on the surface nature of...
- Q A beaker filled with liquid is placed in the pan of a spring balance If you dip your finger in it the reading of the balance will be 1 increased...
- Q A spherical raindrop of radius R is moving down in air with terminal velocity 2 m s If it clubs with another identical raindrop then the larger drop will have...
- Q Q 11 Height of mercury in a barometer is h 76 0 cm at a temperature of 8 20 C If the actual atmospheric pressure does not change but the...
- Q The diameter of the sphere is 2 mm Calculate the value of the Reynolds number for the sphere with 2 mm of diameter when it is moving with a speed...
- Q A lower end of a glass capillary tube is dipped in water Water rises to a height of 8cm The tube is then broken at a height of 6cm The...
- Q 8 A periodic external force acts on a 6 kg mass suspended from the lower end of a vertical spring of force constant 150 Nm The damping force is proportional...
- Q 3 1 6 10 m 4 1 6 10 m 11 A horizontal pipe line carries water in a stream 11 line flow At a point along the pipe where...
- Q The neck and bottom of a bottle filled with liquid are 2 cm and 12 cm in radius respectively If the cork is pressed with a force of 15 N...
- Q 3 8 identical drops of the same radius are fall through air with steady velocity 5 cm s If these drops coalesce the terminal velocity would be 10 m s...
- Q An ice block floats in a liquid whose density is les than water A part of block is outside the liquid When whole ice has melted the liquid level will...
- Q A uniform solid sphere floats in an immis mixture of water Pw 103 kg m liquid p 13 50x10 kg m such that its portion is in water and Density...
- Q Rain drop is falling under gravity on the earth surface Its velocity remain constant near the earth surface this constant velocity is known as terminal velocity This velocity depends on...
- Q A large tank of height h 4m water has a hose connected to it as shown in figure The tank is sealed at the top and has compressed air between...
- Q An ideal gas is trapped between a mercury column and the closed end of a narrow vertical tube of uniform base containing the column The upper end of tube is...
- Q A rectangular narrow U tube has equal arm lengths and base length each equal to The vertical arms are filled with mercury up to 1 2 and then one end...
- Q solid uniform ball of volume V floats on the interface of two immiscible liquids The specifi avity of the upper liquid is y 2 and that of the lower liquid...
- Q 5 A uniformly charged soap bubble of radius r is in equilibrium with air pressure inside and outside equal If T is the surface tension of soap solution the potential...
- Q Answer of both question are different why Acc to me an wer of both question is h 2 4 In a vertical capillary of height h water rises upto complete...
- Q 43 Two containers A and B are partly filled with water and closed The volume of A is twice that of B and it contains half the amount of water...
- Q erties of Fluids 217 31 The velocity of a small ball of mass M and density d when dropped in a container filled with glycerine becomes constant after some time...
- Q 4 A cylindrical vessel containing a liquid is rotated about its axis so that the liquid rises at its sides as shown in the figure The radius of vessel is...
- Q Given the density of the aqueous solution is 1 00 g mL and it has a specific heat capacity of 4 18 J g C same as water calculate the...
- Q 2 IfM is the mass of water that rises in a capillary tube of radius r then mass of water which will rise in a capillary tube of radius 2r...
- Q Figure shows a spherical body floating on liquid surface Line AB represents diameter of sphere Assume liquid and material of body makes a non wetting combination with contact angle 143...
- Q 2 2 Water from a tap emerges vertically downwards with an initial speed of 10 ms The cross sectional area of the tap is 104 m Assume that the pressure...
- Q 7 Water is filled in a cylindrical container to a height of 3 m The ratio of the cross sectional area of the orifice and the beaker is 0 1...
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