Physics question and answers for March 27, 2024
- Q The velocity of liquid flowing through a tube at certain distance from the axis of tube A increases with distance B remains constant C decreases with distance D depends upon...
- Q A spherical steel ball of mass 40 g and density 8 10 kg m is dropped into a column of a liquid of density 2x10 kg m At the instant...
- Q 4 A container of square base of dimension 10 cm 10 cm and of sufficiently long height contains a liquid upto a height 30 cm as shown in figure The...
- Q A large weather balloon whose mass is 226 kg is filled with helium gas until its volume is 325 m Assume the density of air is 1 2 kg m...
- Q 23 A tube 1 cm in cross section is attached to the top of a vessel 1 cm high and cross section 100 cm Water fills the system upto a...
- Q iter at 5 C p 1000 kg m3 and 1 002 10 3 kg m s is flowing through a 0 3 cm diameter and 9 m long horizontal pipe...
- Q a 75 b 30 19 A small hole is made at the bottom of a symmetrical jar as shown in figure A liquid is filled into the jar upto a...
- Q 46 Figure shows a siphon Choose the wrong statement h 0 h a Siphon works when h 0 b Pressure at point 2 inside the tube is p2 Po pgh...
- Q 22 Two spheres of volume 250 cc each but of relative densities 0 8 and 1 2 are connected by a string and the combination is immersed in a liquid...
- Q 1000 42 An open cubical tank was initially fully filled with water When the tank was accelerated on a horizontal plane along one of its side it was found that...
- Q 24 In the arrangement shown in figure mB ratio of density of block B and of liquid is 2 1 The system is released from rest Then A and the...
- Q A flat plate moves normally with a speed v towards a horizontal jet of water of uniform area of cross section The jet discharges water at the rate of volume...
- Q 43 Some liquid is filled in a cylindrical vessel of radius R Let F be the force applied by the liquid on the bottom of the cylinder Now the same...
- Q 29 A vertical capillary is brought in contact with the water surface surface tension T The radius of the capillary is r and the contact angle 0 0 The increase...
- Q 15 A cubical block of wood of edge a and density p floats in water of density 2p The lower surface of the cube just touches the free end of...
- Q 4 A cylinder of mass m and density p hanging from a string is lowered into a vessel of cross sectional area s containing a liquid of density o p...
- Q 18 A glass tube 80 cm long and open at both ends is half immersed in mercury Then the top of the tube is closed and it is taken out...
- Q 12 What is the height to which a liquid rises between two long parallel plates a distance d apart Surface tension of liquid is T and density is p 4T...
- Q 8 A solid ball of density p and radius r falls vertically through a liquid of density p2 Assume that the viscous force acting on the ball is F kru...
- Q 16 The opening near the bottom of the vessel shown in figure has an area A A disk is held against the opening to keep the liquid from running out...
- Q 10 Check the correctness of the relation h rpg fo 2S the height of a liquid of density p and surface tensio S raised in a capillary tube of radius...
- Q 11 A drop of water of mass m and density p is placed between two well cleaned glass plates the distance between which is d What is the force of...
- Q The surface tension of soap solution is 0 03 N m The work done in blowing to form a soap bubble of surface area 40 cm is Question Type Single...
- Q Uniform speed of 2 cm diameter ball is 20 cm s in a viscous liquid Then the speed of 1 cm diameter ball in the same liquid is Question Type...
- Q A swimming pool is 10 m wide and 20 m long and its bottom is an Inclined plane the shallow end having a depth of 1 m and the deep...
- Q A barometer when accelerated vertically up by acceleration a gives the reading as 63 33 cm of Hg Find the value of a if atmospheric pressure is 76 cm of...
- Q A particle of mass 1 kg is fired with velocity 50 m s at an angle of 60 from horizontal It is acted by viscous force of 0 2v during...
- Q fluid of density p is rotated with a certain angular velocity in a cylindrical v ion 1 R 2h The angular velocity is w The angular velocity is w The...
- Q 0 A cubical block of edge length a floats in a liquid of density p such that fraction of volume immersed is b Calculate the minimum force which should be...
- Q A container contains some liquid of density twice that of Hg A bubble moves from bottom of the container to the surface of the liquid such that the radius of...
- Q In a certain gravity free space the piston of an injection is being pushed so that the water jet comes out with a constant speed v The area of the...
- Q 20 cm column of air is trapped by a column of Hg 15 cm long in a capillary tube of uniform bore when the tube is held horizontally in a...
- Q 0 A large fluid star oscillates in shape under the influence of its own gravitational field Using dimensional analysis find the expression for period of oscillation T in terms of...
- Q 1 Show that Equilibrium of a body on a rough inclined plane under any force theorem case i the body is about to move down along the inclined plane case...
- Q A sphere of mass m and radius r rests at the bottom of a large reservoir of water as shown in figure I Depth of the reservoir is h Density...
- Q Let s assume you are performing the Archimedes lab s first part and trying to calculate the buoyant force of an object by using a graduated cylinder If the volume...
- Q Q 8 Moderate O Apgh 4 1 A triangular lamina of area A and heigh h is immersed in a liquid of density p in vertical plane with its base...
- Q A wind with speed 40 ms blows parallel to the roof that the pressure inside the house is atmospheric pressure the force exerted by the wind on the roof and...
- Q At a given place where acceleration due to gravity is qms a sphere of lead of densityd k qm is gently released in a column of liquid of density pkqm...
- Q A boat carrying a number of large stones is floating in a water tank What would happen to the water level if a few stones are unloaded into water O...
- Q A cube of side length I is floating in a liquid i f density 1400 kg m 3 with half of the volu me inside the liquid Another liquid of...
- Q O Calculate the rise of water inside a clean glass capillary tube of radius 0 1 mm whe immersed in water of surface tension 7 x 10 2 N m...
- Q 5 A u tube is made up of capillaries of bore 1 mm and 2 mm respectively The tube is held vertically and partially filled with a liquid of surface...
- Q 12 What are the relative humidity and dew point temperature of 1 kilogram of 25 Celcius air that contains 10 grams of water vapor Relative Humidity Dew Point Temp Celcius...
- Q Consider the bottom of the cubic tank of edge x as reference level determine the gravitational potential energy of water completely filled in the tank Take the density of water...
- Q The diagram shows a stone suspended on a string under the surface of a liquid The stone experiences a pressure caused by the liquid string liquid What would increase the...
- Q 7 A solid sphere of mass m is suspended through a string in a liquid as shown The string has some tension Magnitudes of net force due to liquid on...
- Q Water flows at 0 65 m s from a hot water heater through a 250 kPa pressure regulator The pressure in the pipe supplying an upstairs bathtab 2 5 m...
- Q nk as ngure It s cross sectional area is 0 4 m The tank has an opening B near the bottom whose cross section area is 1 cm A load...
- Q n E 800 kg m and side length l 50 cm is floating in a A cubical block of wood density rectangular tank partially filled with water density 1000 kg...
- Q The frequency of sonometer wire is f but when the weight producing the tension is completely immersed in water the frequency becomes and on immersing the weight in a certain...
- Q A small orifice or area a is at the bottom of a tube or cross sectional area 3a Water filled up to height H in it and orifice is opened...
- Q A hollow thin hemisphere of mass M and radius R lies on a flat horizontal rubber surface In the upper hemisphere there is a small hole in which a long...
- Q A nozzle receives 0 1 kg s steam at 1 MPa 400 C with negligible velocity The exit is at 500 kPa 350 C and the flow is adiabatic Find...
- Q A cubical wooden block has side a 30 cm It is floating a rectangular tank partially filled with water and having ba area A 45 cm x 60 cm Calculate...
- Q 6 Figure shows a capillary tube of radius r dipped into water If the atmospheric pressure is P the pressure at point A is S is surface tension of liqued...
- Q c move in same direction d move with same speed 14 If the kinetic energy of the particle is increased to 16 times its previous value the percentage change in...
- Q A wooden block of mass 8 kg is tied to a string attached to the bottom of a tank The block is completely inside the water The tension in string...
- Q A body of dimensions 2 7x3 8x2 5m is completely submerged in water weighs 2500 N in water Find its weight in air 254 12 kN 508 25 KN
- Q In the figure show below there are two tanks I and II with cross sectional area A and A respectively The rate of flow of water between I and II...
- Q Surface tension o 490 10 Nm 1 1 03 mm 2 1 53 mm 3 1 03 cm 4 1 53 cm Water drains out of a vessel filled with...
- Q 3 4 m from the tank A square gate of size 4 mx 4 m is hinged at topmost point A fluid of density p fills the space left of...
- Q 15 On the opposite sides of a wide vertical vess filled with water two identical holes are opened each having cross sectional area a If combined mass of water and...
- Q 23 If n number of little droplets of water each of radius T and surface tension s coalesce to form bigger drop then pressure inside bigger drop is po is...
- Q 4 hd g a 3 d hg la 13 A small spherical solid ball is dropped in a viscous liquid The graph correctly represented the velocity v and acceleration a...
- Q anical Properties of Fluids 5 A liquid X of density 3 36 g cm is poured in a U tube which contains Hg Another liquid Y is poured in left...
- Q Consider a water tank as shown in the figure It s cross sectional area is 0 4 m The tank has an opening B near the bottom whose cross section...
- Q A cylindrical container with a hole near bottom plugged with a cork is filled completely with a liquid and placed over a horizontal rough surface Suddenly cork at bottom of...
- Q P As the drawing illustrates a pond full of water has the shape of an inverted cone with the tip sliced off and has a depth of 30m The atmospheric...
- Q A U tube is filled with two liquids A and B of densities p and 2p as shown in the figure initially Left arm is closed and air filled above...
- Q luid flows from point P to Q BAD A large tank of height h 4m water has a hose connected to it as shown in figure The tank is sealed...
- Q The amount of liquid flowing per second in the tubes 1 2 and 3 are 10 m s 5 m s and 8 m s respectively The velocity of liquid...
- Q ample 5 10 m The volume of the air bubble increases by 10 when it rises from botom to the surface of the water pond If the temperature of the...
- Q d d 7 32 An open tank 10m long and 2m deep is filled up to 1 5 m height of oil of specific gravity 0 82 The tank is...
- Q 7 22 A vessel contains oil density 0 8 gm cm over mercury density 13 6 gm cm A uniform sphere floats with half its volume immersed in mercury and...
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