Physics question and answers for July 18, 2024
- Q Particles P and Q are undergoing uniform h orizontal circular motion along concentric ci rcles of different radii in clockwise sense P completes each round in 2 min while Q...
- Q 3 20 J 4 1 62 J 2 Consider a small electric dipole of dipole moment p The electrostatic potential due to the dipole at a distance r closer to...
- Q 34 The power dissipated across the 302 resistor in the circuit shown is 40 4A JEF 1 30 45 W 302 www www 80 192 ww 2 21 33 W...
- Q 3 8 A 4 6 A 3 A network of uniform wires is used to form a hexagon of each side 2 cm The resistance of the wires per unit...
- Q 12 A particle has a rectilinear motion and the figure 12 gives its displacement as a function of time Which of the following statements is false with respect to the...
- Q 4 L LT and T The inner diameter of hollow metal 6 cylinder is 20 0 5 mm and outer diameter is 210 1 mm then thickness of surface of...
- Q A parallel plate capacitor has a uniform electric fiell E in space between the plates If the distanc between the plates is d and area of the plate is the...
- Q 1 09 A raw egg and a hard boiled are made to spin on a table 09 with the same angular speed about the same axis The ratio of the...
- Q The diagram shows a boiling tube filled with water There is an ice cube wrapped with wire gauze at the bottom of the tube and the water at the top...
- Q 3 A hollow metal sphere is filled with water and hung by a long thread A small hole is drilled at the bottom through which water slowly flows out Now...
- Q A particle B is moving in a vertical circle of radius a in anticlockwise direction with constant time period T Another particle A is undergoing S H M on its...
- Q 9 A 4 C charge is placed in some gaussian surface such that outward flux is What additional charge is needed to be placed inside the surface such tha there...
- Q 22 In the figure shown a coil of single turn is wound on a sphere of radius R and mass m The plane of the coil is parallel to the...
- Q average emt induced in 1 120 V 2 60 V 1 120 V 3 12 V 3 12 V 4 Zero 35 In a series LCR circuit current lags behind...
- Q In a YDSE let X and Y be the upper and lower slits A thin film of thickness t and refractive index is placed in front of X Let B...
- Q The two spheres m 1 5 kg as seen in the figure are released from rest and gently nudged outward from the position 0 The spheres rotate in a vertical...
- Q 2 10 6 N m 4 16 3 N m 3 40 N m 13 A scientist claims to have developed efficient engine while 13 working between 27 C and...
- Q Accordig to VBT which of the following overlapping results type covalent bond in O molecule formation when Z axis is internuclear axis II 2p 2p IV 2p 2p 1 25...
- Q 2 10 1 3 30 In the situation shown the potential difference across 30 the cell of smaller e m f is 1 2 V 3 Zero 12 V 192...
- Q 1 has no written records b Modern Prehistory 2 Pottery and jewellery are a tools 2 b paintings 3 The Indus Valley Civilization is a part of b medieval a...
- Q Velocity v versus time t graph of a particle moving tan a tan then average speed of the particle till the time its velocity becomes zero is v m s...
- Q A convex lens of focal length 10 cm can pro duce a i magnified virtual image ii magnified real image If yes then where shall the object be placed in...
- Q A small block of mass 1 kg is being moved with constant speed of 10 m s on a typical path in a x y vertical plane whose equation is...
- Q The resistance of platinum wire at 0 C is 22 05 and at 100 C it becomes 22 70 When the wire is heated to a temperature of t C...
- Q A simple pendulum with a metallic bob has a time period T The bob is now immersed in a non viscous liquid and oscillated If the density of the liquid...
- Q 44 A current loop of area 0 01 m and carrying a 2 current of 10 ampere is held perpendicular to a mag netic field of intensity of 0 1...
- Q 3 A disc of radius R has a light pole fixed perpen dicular to the disc at the circumference which in turn has a pendulum of length R attached to...
- Q A rod of length is pivoted at one of the ends 18 and is made to rotate in a horizontal plane as shown in figure with a constant angular speed...
- Q A body of constant mass m 1 kg moves under variable force F as shown If at t 0 S 0 and velocity of the body is 20 m s...
- Q Read More Two points N and S are located in the northern and southern hemisphere respectively on the same longitude Projectiles P and Q are fired from N and S...
- Q Continuing with the situation if the force F 80 N is directed vertically as shown the acceleration of the 1 kg block will be T A 2 m s2 towards...
- Q Z 13 46 In the Boolean algebra AB A equals to 1 A B 2 A 3 B 4 A B Z 13 4 A 2 13 PCP Sikar 204...
- Q 17 AB is a potentiometer wire of length 100 cm and resistance 10 ohms It is connected in series with a resistance R 40 ohms and a battery of e...
- Q 8 V 6 V F 292 ww 292 www R www 1 7 A 2 10 A 3 2 A 4 8 A 13 When a metal conductor connected to...
- Q SolveLancer Test A radioactive medicine is to be given to a plant at 8 30 AM A solution of this was prepared at 6 40AM and 10 mL of this...
- Q A uniform semicircular disc of mass M anc radius R hinged at point O a shown in figure is released from rest from a vertical position as shown If the...
- Q Two blocks of mass 1 kg and 2 kg respectively are connected by a spring and kept on a frictionless table The blocks are pulled apart so that the spring...
- Q Figure shows the graph of x coordinate of a particle moving along x axis as a function of time Average velocity during t 0 to 6 s and instantaneous velocity...
- Q 3 Assume that scientists have discovered a new force measured in Newton say F between any two objects They found that the force is proportional to the densities of the...
- Q 29 A bus of mass 1000 kg has an engine which produces a constant power of 50 kW If the resistance to motion assumed constant is 1000 N The maximum...
- Q Two identical non conducting solid spheres of same mass and charge are suspended in air from a common point by two non conducting massless strings of same length At equilibrium...
- Q 9 The sum of magnitudes of two forces acting at a point is 16 N Their resultant is 8 3 N and is at 90 with the force of smaller...
- Q other part will move with speed 1 20 m s 2 10 13 m s 3 50 m s 4 30 m s A ball of mass m approaches a...
- Q A FireFighting Vehicle is moving with a certain velocity at speed V on a straight track The dimensions of the vehicle is 30 cm in length 20 cm in breadth...
- Q 3 A uniform solid sphere of mass M and radius r shown in the figure slips on a rough horizontal plane At some instant it has translational velocity vo 25...
- Q Two wire A and B of copper have equal masses and the lengths are 10 cm and 20 cm respectively If resistance of A RA be RA and B be...
- Q 41 A vertical ring of radius r is made of a uniform wire of resistance R It slips vertically between two frictionless and resistanceless vertical rails There is a uniform...
- Q 127 A drop of water and a soap bubble have the same radii Surface tension of soap solution is half of that of water The ratio of excess pressure inside...
- Q r The electric potential between a proton and an electron is given by V V en where ro is a constant Assuming Bohr s model to be applicable the magnetic...
- Q In a reversible thermodynamic process undergone by a fixed amount 2 moles of diatomic gas molar heat capacity remained constant When the temperature of the gas changes from To to...
- Q Two blocks of mass m and 2m are connected to a spring and wrapped around a smooth pulley as shown in the figure Blocks are released together with spring in...
- Q A B and C are voltmeters of resistances R 1 5 R and 3 R respectively When some po tential difference is applied between X and Y the voltmeter readings...
- Q 23 A Ferris wheel is elevated 1 m above the ground When a car reaches he highest point on the Ferris wheel its altitude from ground level is 31 m...
- Q The pV diagram shown is for 7 50 moles of an ideal diatomic gas taken through a cycle from A to B to C The ideal gas constant is R...
- Q 4 A person walks the following distances in the sequence given 1 500 meters north of west 2 1200 meters 0 east of north 3 1000 meters in east direction...
- Q 21 Apparent observer frequency frequency of train A is heard by in train B as 3 4 of the true Find the value of velocity of train B in m...
- Q In the circuit shown in the figure the effective resistance between A and B is 1 20 2 40 3 6 4 80 1 652 852 42 8 52 2...
- Q 7 A ball is thrown vertically downwards with velocity 2gh from a height h After colliding with the ground it just reaches the starting point Coefficient of restitution is B...
- Q N moles of a monatomic gas is carried round the reversible rectangular cycle ABCDA as shown in the diagram The temperature at A is T The thermodynamic 1 15 3...
- Q A body sliding down in a inclined plane have coefficient of friction 0 5 If the normal reaction is twice that of resultant downward force along incline The angle between...
- Q Find flux through a circular disc of radius R kept in a region of magnetic field perpendicular to the disc The magnitude of field at a distance r from centre...
- Q A hinged construction consists of three rhombi with equal sides The vertex A3 mo with velocity V to the right Then A Speed of A is V 3 C Speed...
- Q For a gas sample with No number of molecules function N V is given by N V 3 V for dN dV V 0 V V and N V 0...
- Q 25 180 In circular motion The centripetal acceleration is Due to change in magnitude of velocity only Due to change in direction of velocity only Due to change in both...
- Q 45 180 On an open ground a motorist follows a track that turn to his left by an angle of 72 after every 1000 m Starting from a given turn...
- Q Determine the Thevenin equivalent circuit shown in the figure as seen by the R 9 22 resistor Then calculate the current flowin through the R 9 Q resistor 4 A...
- Q A heavy rope is suspended from rigid support A wave pulse is set up at the lower end Then O The pulse travels with uniform speed O The pulse will...
- Q 5 For a cell a graph is plotted between the potential difference V across the terminals of the cell and the current I drawn from the cell The e m...
- Q unit cell is 400 pm long If 48 edge of a atomic weight of the element is 120 and it s density is 6 25 g cm The crystal lattice...
- Q In the arrangement of parallel plate capacitor shown in figure dielectrics identical shaped with dielectric constant k 2 and k 3 are inserted If the capacitances are C and C...
- Q pEcost 20 20 3 Consider a conducting spherical shell of radius R with 33 4d Shell its centre at the origin carrying uniform positive surface charge density The variation of...
- Q 122 A parallel beam of light travelling in water refractive index 4 3 is refracted by a spherical air bubble of radius 2cm situated in water Assuming the light rays...
- Q A body starts from ous an initial velocity of Ims and moves along n anis under the action of a motor which Power P delivered by Varies with position 21...
- Q 16 If two jaw of vernier calliper are joined then vernier scale zero is on left of main scale zero and 4th vemier scale division coincides with a main scale...
- Q 73 When the u tube shown below is in rest th liquid stands at the same level in both the tub But as indicated a height difference h occurs w...
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!