Physics question and answers for June 16, 2024
- Q Jee 3 1 21 Two wires are made of the same material and have the same volume Area of cross section of one wire is A and other wire is...
- Q In the situation below block A having mass m and block B having mass 3 m are held at rest on a horizontal frictionless surface with a massless spring compressed...
- Q 1 1 1 2 2 3 4 A small steel ball falls through a syrup at constant speed of 10 cm s If the steel ball is pulled upwards with...
- Q As a ball rolls down the inclined plane the 5 power of gravitational force P and frictional force P thereafter A P increases with time and Pf remains constant with...
- Q A box of mass m 2 00 kg is released at the top of an inclined plane as sheen in the figure The box starts out at height h 0...
- Q Q 44 Shown below are two circular fixed rings of radii R and 2R on which three identical beads are free to move Beads 2 and 3 are initially stationary...
- Q If specific resistance of a potentiometer wire is 10 70 m and current flow through it is 0 1 A cross sectional area of wire is 10 6 m then...
- Q Potential energy vs distance r of a particle is shown in figure Assume only conservative force is acting on the particle then I At point B particle is in stable...
- Q SQ 2 A block of mass 1 kg was initially at rest It was pulled to the right along a horizontal surface with coefficient of friction k 0 2 by...
- Q 1 a The displacement of a particle which moves along the x axis is given by x 2 3t e 05t Find the maximum value of velocity attained and the...
- Q A particle is moving with a constant speed along a straight line path A force is not required to 1 Increase its speed 2 Decrease its momentum 3 Change the...
- Q If energy E momentum p and force F are chosen as fundamental units The dimensions of mass in new system is a E p c E p b E p...
- Q Work done Force in the direction of motion distance through which body moves here Force is a vector quantity then wh y work is sclaler quantity Work done is negetice...
- Q 154 A constant horizontal force F 0 10 N is applied to a small bar of mass m 50 g resting on a horizontal plane Find the work performed by...
- Q 34 180 Mark for Review A block of mass 10 kg moving in x direction with a constant speed of 10 ms is subjected to a retarding force F 0...
- Q 7 A bead is connected with a fixed cylinder of radius R by an inextensible massless string fR in a smooth horizontal plane If the bead is pushed with a...
- Q This section contains 20 SINGLE CORRECT TYPF questions Fach question has 4 choices Read More Hollow hemisphere is fixed and has radius R 8r where r is radius of small...
- Q Two bodies of masses 1 kg and 5 kg are dropped gently from the top of a towe At a point 20 cm from the ground both the bodies will...
- Q of system is 1 is conserved in direction SR 2 will change in direction with speed u collides with face at angle 8 with it as nitude of impulse imparted...
- Q A 15g bullet is shot vertically into an 2kg block The block lifts upward 8 0 mm see figure The bullet penetrates the block and comes to rest in it...
- Q A particle of mass 1kg is moving along x a xis under conservative forces only The pote ntial energy U x is given by U x 10 x 3 2...
- Q A particle of mass 1 kg is moving along x axis under conservative forces only The potential energy U x is given by U 10 x 3 where x is...
- Q SA 2 The plot below shows a graph of a potential energy curve for a particle with mass m If the particle is initially at rest at position ro what...
- Q 1 A rod is fixed between a vertical wall and a horizontal surface A smooth ring of mass 1 kg is released from rest which can move along the rod...
- Q A force F x y j N where x and y coordinates ar in metres acts upon a body and it moves along the path ABCDA as shown The work...
- Q Two particles of masses m m move with initial velocities u and u On collision one of the particles get excited to higher level after absorbing energy If final velocities...
- Q A force F x i y2j N where x and y coordinates are in metres acts upon a body and it moves along the path ABCDA as shown The work...
- Q Potential energy associated with a conservative force is given by U where A is a constant then force always tends to accelerate the particle towards origin Ax force always tends...
- Q A satellite is orbiting around the earth in a circular orbit of radius r A particle of mass m is projected from the satellite in a forward direction with a...
- Q A crane lifts a car of mass 100 kg to a height 50 m in 10 seconds 9 Work done by crane A 50 kJ 10 1 Power of crane...
- Q A body of mass m is projected vertically with a velocity vo If it passes through the point of projection with speed resistance is 1 Zero 2 the work done...
- Q If a spring of stiffness k is cut into two parts A and B of length A B 2 3 then the stiffness of spring A is given by AIEEE...
- Q A uniform chain of mass 2 kg and length 90 cm overhangs a smooth table with its two third part lying on the table The kinetic energy of the chain...
- Q Paragraph for Questions 1 and 2 A block and wedge are displaced slowly from A to B as shown in diagram 5 Kg block is at rest w r t...
- Q A particle has energy 100 GeV and momentum components Px 10 Py 5 Pz 20 all in GeV c as measured by the ATLAS detector at CERN What are its...
- Q 23 A highly elastic ball moving at a speed of 3 m s approaches a wall moving towards it with a speed of 3 m s After the collision what...
- Q A block of mass m is attached to two springs as shown and placed on a smooth surface When a force F mg is applied then maximum elongation in spring...
- Q A block A of mass m is at rest and another block B of equal mass moving with velocity Vo collides with A and sticks with it The total work...
- Q Example 14 A small mass m starts from rest and slides down the smooth spherical surface of R Assume zero potential energy at the top Find a the change in...
- Q The ratio of lengths of smooth and rough part of an inclined plane is 1 2 A particle starts moving from top and again comes to rest at the bottom...
- Q A particle of mass 1 kg is moving along a circle of radius 2 m If centripetal acceleration of particle varies as ac 3t2 where all quantities are in SI...
- Q 2 10 A man is throwing bricks of mass 2 kg onto a floor of height 2m Bricks reaches to floor with speed 2 10 m s Man throws 10...
- Q Two equal and opposite forces each of magnitude F is applied along a rod of transverse sectional area A The normal stress to a section PQ inclined to transverse section...
- Q A source and an observer are situated on two perpendicular tracks as shown in the figure The observer is at rest and sources is moving with a speed 50 m...
- Q How internal force can change T OTAL ENERGY OF A SYSTEM som e answer say that when a bomb e xplodes energy is generated total energy changes But as we...
- Q A ball of mass 100g is dropped from a height of 10 m It loses 10 of its energy every time when it bounces off the floor Then the maximum...
- Q A ball of mass 200 g collides with a fixed smooth vertical surface The horizontal component of the ball s velocity just before and just after the collision is 5...
- Q A bullet of mass m travelling horizontally with speed u strikes a wooden block of mass M placed on a smooth horizontal plane The penetration is assumed uniform and the...
- Q A force F x y j N where x and y coordinates are in metres acts upon a body and it moves along the path ABCDA as shown The work...
- Q Q 10 54 Two blocks of mass 1 kg each are moving with equal velocity 2 m s at the instant shown 7 0 and the string is tight Block...
- Q Consider the potential energy given by x4 x3 4 3 where the coefficients of the various powers of x have units such that U has units of joules U x...
- Q A 5kg body is displaced along x axis by a force The position x in meter as a function of time is given by x 32 2t The work done...
- Q A bob is suspended by a string of length 1 m The bob is given a horizontal velocity Vo 30 m s at lowest position The minimum speed in m...
- Q This section contains THREE 03 question stems There are TWO 02 questions corresponding to each question stem The answer to each question is a NUMERICAL VALUE For each question enter...
- Q Consider the potential energy given by x4 x U x 4 3 where the coefficients of the various powers of x have units such that U has units of joules...
- Q The potential energy of a particle oscillating on x axis is given as U 20 x 2 2 Here U is in J and x in metre Total mechanical energy...
- Q Hollow hemisphere is fixed and has radius R 8r where r is radius of small solid sphere released at top as shown Sphere rolls without slipping When sphere reaches bottom...
- Q A particle is projected from the foot of one wall towards other parallel wall as shown in figure After various collisions as shown finally after striking at point D the...
- Q Suppose you are in a gym and your trainer asks you to lift a heavy rope The rope has a length I and is on smooth horizontal surface in form...
- Q A massless spring of spring constant 100 N m in its unstretched position is hanged from the ceiling A mass of 2 kg is attached and let go Find the...
- Q In the figure the variation of potential energy of a particle is represented wrt its x coordinate The particle moves under the effect of this conservative force along the x...
- Q 0 1 s tance 9 A bullet of mass 5 g travelling with a speed of 210 m s strikes a fixed wooden target One half of its kinetics en...
- Q The pulley mass system is released from rest Neglecting friction Pulley mass less and assuming the string to be light and inextensible Choose the correct option s 16 m 2m...
- Q The given diagram represents the potential energy curve of a particle in a field The magnitude of the force on the particle will be maximum when its position co ordinate...
- Q A massless spring of spring constant k 100 N m hangs in a vertical plane from point O its other end is attached with block of mass m 2 kg...
- Q Consider a small spherical ball inside a circular tunnel of radius R and inner diameter size of the tunnel nearly equal to that of the spherical ball rigidly held in...
- Q Q2 A classic assembly in thermal equilibrium at room temperature consists of 4000 systems distributed over three energy bands with the same number of states and energies 0 0 0125...
- Q 10 kg block of aluminum is heated at atmospheric pressure such that its temperature increases from 22 C to 40 C then find change in internal energy in kJ QAI...
- Q the locomotive during the first t seconds A uniform chain of length is released from rest by pulling the right end slightly down when the chain was in equilibrium Find...
- Q A box is being pulled across a rough floor at a constant speed What can you say about the work done by friction A friction does no work at all...
- Q Four forces are applied on an object as shown in the figure The magnitudes of the forces are F 5 N F2 9 N F3 3 N and F4 10...
- Q An athlete lifts a 160 kg barbell through a vertical displacement of 1 26 m requiring 4 40 s for the lift a Calculate the average mechanical power he must...
- Q Four blocks and two springs are arranged as shown in figure The system at rest determine the acceleration of all the loads immediately after the lower thread keeping the system...
- Q Two identical thin rings each of radius R are coaxially placed at a distance R If the rings have a uniform mass distribution and each has mass m and m...
- Q A car of mass m starts from rest and accelerates such that its instantaneous velocity is proportional to t where t is time in seconds What should be the instantaneous...
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