Physics question and answers for April 01, 2024
- Q city ind The 17 A capillary tube of radius r is immersed in water and water rises in it to a height h The mass of the water in the...
- Q Question A small hole is made at the bottom of the tank if total pre ssure at the bottom of the tank is 5 10 5 find the velocity of...
- Q Q 25 A cylinder of area 300 cm and length 10 cm made of material of specific gravity 0 8 is floated in water with its axis vertical It is...
- Q Find the fluid force on the vertical plate submerged in water where the dimensions b 3 and a 5 are given in meters and the weight density of water is...
- Q QU Assertion In the presence of air friction if the ball is thrown vertically upwards then time of ascent is less than time of descent Reason Force due to air...
- Q A spray gun is shown in the figure where a piston pushes air out of a nozzle A thin tube of uniform cross section is connected to the nozzle The...
- Q A cylindrical block of radius R height h and density ps floating in a liquid of density 2p contained in cylindrical container of radius 2R Time period of small vertical...
- Q Luciano measured the amount of water that evaporated over a period of time from a container holding w ounces of water where w is greater than 12 By the end...
- Q 1 The mathematical expression of density is a Density mass volume b Density mass x volume c Density area x mass d Density volume x weight 2 Density of water...
- Q 33 A boat having a length of 3 metre and breadth 2 metre is floating on a lake The boat sinks by one cm when a man gets on it...
- Q In a horizontal laid pipe line of uniform area of cross sec pressure falls by 18 N m between two points separated by a distar 200 m What is change...
- Q In a horizontal laid pipe line of uniform area of cross section the pressure falls by 18 N m between two points separated by a distance of 200 m What...
- Q Ground Fig 7 12 Water falls without splashing at a rate of 0 250 L s from a height of 2 60 m into a 0 750 kg bucket on...
- Q QA vessel is filled with two different liquids of densities p and 2p respectively as shown in the figure The velocity of flow of liquid through a hole at height...
- Q An airplane is flying at a standard altitude of 16000 ft with a velocity of 270 m s At a point on the wing of the airplane the velocity is...
- Q 41 Four holes A B C D are made in an empty Cans at different levels as shown in the figure The holes are closed temporarily with adhesive tapes The...
- Q 49 A liquid is filled upto a height of 20 cm in a cylindrical vessel The speed of liquid coming out of a small hole at the bottom of the...
- Q Figure shows cone of mass 200 gm suspended by a vertical jet of water from a garden hose The flow rate is 0 2 kg sec The water rises 8m...
- Q A syringe is filled with water Its volume is 20 cm3 and cross section of its interior part is 4cm2 The syringe is held vertically such that its nozzle is...
- Q sa to of in 7 53 A small tube is bent in the form of a circle whose plane is vertical Equal quantities by volume of two fluids of densities...
- Q 33 Water density p is flowing through horizontal tube of cross sectional area A with a constant speed v as shown in the figure 7 89 The magnitude of force...
- Q A spherical object of mass 1 kg and radius 1 m is falling vertically downward inside a viscous liquid in a gravity free space At a certain instant the velocity...
- Q A glass capillary tube open at both ends is dipped in water we can see that the water first rises in the tube and finally remains at rest at certain...
- Q 5 In a vessel having liquid filled up to height h a small hole is made at its bottom The velocity of liquid coming out of hole 1 Is proportional...
- Q pressure exerted by the elephant on the bridge Given acceleration due to gravity is 9 8 m s d A hydraulic jack is used to lift a car of mass...
- Q Two small drops of mercury each of radius R coalesce to form a single large drop The ratio of the total surface energies before and after the change is SE...
- Q 2 20 In a hydraulic press there is a larger piston of diameter 35 cm at a height of 1 5 m relative to the smaller piston of diameter 10...
- Q und by n 33 The liquids shown in figure in the two arms are mercury specific gravity 13 6 and water If the difference of heights of the mercury columns...
- Q 34 A water drop of radius 10 2m is broken into 1000 equal droplets Calculate the gain in surface energy Surface tension of water is 0 075 N m b...
- Q To demonstrate Bernoulli s principle an instructor arranges two circular horizontal plates of radii b each with distance d d b between them see figure The upper plate has a...
- Q Q 1 Two non mixing liquids of densities P and np n 1 are put in a container The height of each liquids is h A solid cylinder of length...
- Q To make a candle float stably in water in vertical orientation an aluminium cylinder of radius equal to that of the candle is glued at bottom of the candle Length...
- Q 50 A U tube of base length filled with same volume of two liquids of densities p and 2p is moving with an acceleration on horizontal plane If the height...
- Q 5 A thin walled cylindrical vessel was immersed in an Lideal fluid upto the upper open base At bottom closed end there is an orifice Known height of the vessel...
- Q 2 Three rivers R R2 and R3 merge together to form a river R4 The cross sectional areas of the three rivers R R2 and R3 are in the ratio...
- Q Q20 Water rises against gravity in a capillary tube when its one end is dipped into water because a Pressure below the meniscus is less than atmospheric pressure b Pressure...
- Q 85 Two bodies A and B weigh 10 kg and 20 kg respective MA in water Find the value of M are 2 and 4 respectively MA and MB are...
- Q A solid cube floats in a liquid in a container such that 40 of its volume is floating outside the liquid Now the container is accelerated vertically up by 2g...
- Q manner through Water flows in a streamlined a capillary tube of radius a the pressure difference being p and the rate of flow Q If the radius is reduced to...
- Q There is a constant inflow of a liquid into a conical vessel 15 feet deep and 7 5 feet in diameter at the top Water is rising at the rate...
- Q arge open tank has two holes in the wall One is a square hole of side L at a depth y from the cop and the other is a circular...
- Q Q 6 Calculate the velocity with which the liquid gushes out of the 4 cm outlet if the liquid flowing in the tube is water and liquid in U tube...
- Q A thin plate is floating in a highly viscous liquid of viscosity n contained between two infinite stationary parallel plates The thin plate is acted upon by a constant horizontal...
- Q If a vessel containing liquid moves down ward with a constant acceleration equal to g then bas a the pressure throughout the liquid mass is atmosphericidad b there will be...
- Q Metacentric height for small values of angle of heel is the distance between the a centre of gravity and centre of buoy ancy b centre of gravity and metacentre c...
- Q The volume of an air bubble is doubled when it rises from the bottom to the surface of a lake The depth of the lake is approximately assume same temperature...
- Q Centre of buoyancy always b a coincides with the centre of gravity coincides with the centroid of the volume of fluid displaced c remains above the centre of gravity d...
- Q If a graph is drawn between height of liquid inside capillary and rad capillary tube for a given liquid which of the following will it be O Straight line through...
- Q The shown figure there is a conical shaft rotating on a bearing of very small clearance t The space between the conical shaft and the bearing is filled with a...
- Q View In English Liquid rises in a capillary upto a height of 8 cm The internal and external diameters of a second capillary are double that of first capillary the...
- Q The position of centre of pressure on a plane surface immersed vertically in a static mass of fluid is b c a at the centroid of the submerged area always...
- Q The total pressure on a plane surface inclined at an angle 0 with the horizontal is equal to a b c pA cos 0 d pA tan 0 where p...
- Q An oil with a thickness of r cm and a viscosity of 3 2 poises moves over a fixed surface Calculate the velocity gradient and the shear stress at the...
- Q 1 Water rises to a height of 15 mm in a capillary tube having cross sectiona area A If cross sectional area of the tube is made then the water...
- Q If a liquid has greater cohesion than adhesion with the solid then the liquid in the capillary tube will b a rise with concave surface upward rise with convex surface...
- Q 3 Joule Ampere 4 Joule Ampere Select the correct statement regarding stream line 5 flow 1 The momenta of all particles arriving at a point are same 2 The momenta...
- Q Calculate the value of the characteristic times for the tiny oildrop in the Millikan oildrop experiment when its terminal speed is 6 1 10 m s A 1x10 s B...
- Q A spherical metal ball of radius r is lying at the bottom of stationary container containing liquid of density p as shown in the figure The force exerted on the...
- Q 29 In the widest part of the horizontal pipe oil is flowing at a rate of 2 m sec The speed in m s of the flow of oil in...
- Q 3 There is a air cavity of radius R inside a liquid drop of radius 3R as shown in figure A bubble of radius and made of same liquid is...
- Q Explain your answer westion FIVE Archimedes Principle 2 4 4 State Archimedes principle A cube whose sides measure 1 cm each is submerged in a liquid It experiences a downward...
- Q 5 Water from a tap emerges vertically downward with intial 25 speed 1m s The cross sectional area of tap is 10 m Assume pressure is constant throughout the stream...
- Q Choose the correct answer 1 The bulk modulus of rubber is 9 8 x 108 N m To what depth should a rubber ball be taken in a lake so...
- Q A water clock used in ancient Greece is designed as vessel with small orifice O The time is determined according to the level of the water in vessel For time...
- Q Figure shows top view of an airplane blown off course by wind in various directions Assume the magnitude of velocity of airplane relative to wind and magnitude of velocity of...
- Q ally the le tube is uniform and the liquid is incompressible and liquid in the two limbs will be at the same height If the liquid is pressed by y...
- Q a non linder is rotated about its axis with a constant angular velocity o Uplo a height has shown in the figure Now Find the maximum value of a for...
- Q A solid block is floating in a liquid as shown in the figure Distance h and are shown in the figure The coefficient of linear expansion of the liquid is...
- Q Q6 A cylindrical tank contains water up to a height H If the tank is accelerated upwards with acceleration a the pressure at the point A is p If the...
- Q Q9 Two syringes of different cross sections without needles filled with water are connected with a tightly fitted rubber tube filled with water Diameters of the smaller piston and larger...
- Q A wooden block with metal block which is denser than wood stuck on top of it is floating in water The level of water on the wooden block is marked...
- Q s and 0 3 m s 1 A bullet of mass 10 g moving horizontally with a velocity of 400 ms strikes a wooden block of mass 2 kg which...
- Q 33 A container filled with a liquid of density 4p as shown in the figure The velocity of efflux through orifice is p is density of water and g 10...
- Q A man of height 1 8 m is in a standing position What is the difference in the blood pressure between the blood in his feet and the topmost level...
- Q A water pump of 1 horse power is required to flow water through a cylindrical pipe line at 1 m s If flow rate of water is to be doubled...
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
- Unlimited Question Access with detailed Answers
- Zin AI - 3 Million Words
- 10 Dall-E 3 Images
- 20 Plot Generations
- Conversation with Dialogue Memory
- No Ads, Ever!
- Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!