Physics question and answers for April 16, 2024
- Q I wo positive charges each of equal magnitude q are placed at a separation 2a perpendicular to X axis Another negative charge of mass m is placed midway between the...
- Q dwhen xa 9 A particle in SHM is described by the displacement function x t A cos wt 0 If the initial t 0 position of the particle is 1...
- Q The time periods of the hanging bobs in figure i and ii for their simple harmonic oscillations in vertical planes are T and T respectively Then a the T T2...
- Q Two bodies of masses 10 gm and 90 gm are connected by a weightless spring of length 10 cm Find the force constant of the spring if the frequency of...
- Q A circular disc suspended from a torsional wire oscillates with a time period T when twisted by a small angle 8 from equilibrium and released I If another disc of...
- Q Pre Medical Physics The period of oscillation of simple pendulum of 16 length L suspended from the roof of the vehicle which moves without friction down on an inclined plane...
- Q Two pendulums of length 1 21 m and 1 0 m start vibrating At some instant the two are in the mean position in same phase After how many vibrations...
- Q A simple harmonic oscillator consists of a block attached to spring with k 200 N m The block slides on a frictionless horizontal surface with equilibrium point x 0 A...
- Q 3 S 5 5 x m A block is resting on a piston which executes simple harmonic motion with a period 2 0 s The maximum velocity of the piston...
- Q Two simple harmonic motions are given by x a sin wt a cos wt and x1 cos wt The ratio of the amplitudes of the first to the second and...
- Q A particle executes simple harmonic motion Let P be a point near the mean position and Q be a point near an extreme The speed of the particle at P...
- Q A particle of mass m is subjected to a force F at bx i initially the mass lies at the origin at rest Here x refers to the x coordinate...
- Q 4 Q 0 W 0 164 A particle executing SHM crosses points A and B with the same velocity Having taken 3 s in passing from A to B it...
- Q Two particles are in SHM in a straight line about same equilibrium position Amplitude A and time period T of both the particles are equal At time t 0 one...
- Q 23 A constant force produces maximum velocity V on the block connected to the spring of force constant K as shown in the figure When the force constant of spring...
- Q 21 The angular frequency of a spring block system is wo This system is suspended from the ceiling of an elevator moving downwards with a constant speed vo The block...
- Q 22 A small ball of density po is released from rest from the surface of a liquid whose density varies with depth has p a h Mass of the ball...
- Q Two blocks A and B of mass m and 2m respectively are connected by a massless spring of spring constant K This system lies over a smooth horizontal surface At...
- Q SolveLancer TestJA modified U tube is made of uniform cross section as shown in figure U It is filled with fluid of density S The mass of fluid is m...
- Q 20 A hollow metal sphere is filled with water through a small hole in it It is hung by a long thread and is made to oscillate Water slowly flows...
- Q A body of mass 36 gm moves with SHM of 22 amplitude A 13 cm and time period T 12 sec At time t 0 the displacement x is 13...
- Q A body of mass 36 gm moves with SHM of amplitude A 13 cm and time period T 12 sec At time t 0 the displacement x is 13 cm...
- Q A mass M is suspended by a spring having a spring constant K In equilibrium position mass M is given a speed u Find further extension in the spring 1...
- Q 1 A spring O where we take is executing equilibrium position x potential energy of spring to be zero The spring is oscillating between Xm and xm position with a...
- Q 7 A particle of mass 10 gm is executing S H M with an amplitude of 0 5 m and angular frequency 10 rad sec The maximum value of force...
- Q Show that the total energy of a particle suspended by a string and vibrating in SHM is directly proportional to spring constant 2 A boat can cross the river of...
- Q 18 A small body of mass 10 gram is making simple harmonic oscillations along a straight line with a time period of 14 seconds and the maximum displacement is 10cm...
- Q 28 A mass M is performing linear simple harmonic motion Then correct graph for acceleration a and corresponding linear velocity v is v a c a 2 b d a...
- Q 6 A block of 0 5kg is placed on a horizontal platform The system is making vertical oscillations about a fixed point with a frequency of 0 5Hz Find the...
- Q motions in the 24 A particle is subjected to two simple harmonic same direction having equal amplitudes and equal frequency If the resulting amplitude is equal to the amplitude of...
- Q 5 E 3 a 3 25 A ball of mass 2 kg hanging from a spring oscillates with a time period 21 seconds Ball is removed when it is in...
- Q 9 A particle of mass 0 5kg is executing SHM along a straight line Its path length is 10cm and time period is 8s Calculate its KE PE and TE...
- Q Figure shows a system consisting of a massless pulley and two springs of equal constants k each a block is attached with an ideal string as shown If the block...
- Q SHM is x 4sin wt 3sin ot T 3 Here x is in cm and t in sec The amplit of the particle is approximately b 5 cm c 6...
- Q A small sphere carrying a charge q is hanging in between two parallel plates by a string of length L Time period of pendulum is To When parallel plates are...
- Q A spring is compressed by 0 0606 m and is used to launch an object horizontally with a speed of 2 31 m s If the object were attach to...
- Q A particle is performing SHM along x axis with mean position at origin amplitude A and time period T The minimum time A 2 taken by the particle to move...
- Q Two cyclists Mike and Josh simultaneously started toward each other from two towns d 24 km apart Josh rode at uj 25 km h and Mike at UM 15 km...
- Q 44 Two springs with negligible masses and force constant of k 200 Nm and k 160 Nm are attached to the block of mass m 10 kg as shown in...
- Q A and Care of the same length while B is smaller than A and D is larger than A If A is given a transverse displacement O O 3 Correct...
- Q The velocity of a particle executing SHM is 0 12 ms and 0 04 ms when its displacements from the mean position are 0 01m and 0 03m respectively Calculate...
- Q 38 The displacement of two identical particles executing SHM are represented by equations x 4sin 10t X1 For what value of same a 16 unit c 4 unit and x2...
- Q 48 A horizontal spring mass system is executing SHM with time period of 4 s At time t 0 it is at mean position Find the minimum time after which...
- Q SCILLATIONS 4 29 A body is executing SHM along line of 4 cm long The velocity of the body at the position of the equilibrium is 6 cm s Calculate...
- Q hinged at a point A to the wall so that it can rotate in all directions The rod is kept in the horizontal position by a vertical inextensible thread of...
- Q 15 230 A particle moving about its equilibrium position with equation y ax bt Interpret the condition 1 It will always perform the SHM 2 It can never perform the...
- Q 8 A child swinging on a swing in sitting position stands up then the period of the swing will be 1 Increase 2 Decrease 3 Remain same 4 Increase if...
- Q downward vertical direction is 30 Total marks 12 a Explain with your own words the Principle of conservation of Energy 4 marks a What is its speed when it reaches...
- Q A torsional pendulum consists of two identical rods each of mass M length joined perpendicular to each other in horizontal plane and is hanged through the wire having torsional constant...
- Q mass m density po horizontal cross section area s in equilibrium partially submerged in two containers filled with liquids of densities P and P as shown in figure Find the...
- Q A tunnel is drilled along the diameter of the earth A particle executes S H M in this tunnel and another particle performs uniform circular motion along the orbit near...
- Q 37 The shortest distance travelled by a particle executing S H M from 3 2 its mean position in 2 seconds is of its amplitude Find its Ans 0 21...
- Q d 180 290 A boy throws a ball upwards with velocity vo 20m s The L e 90 2 wind imparts a horizontal acceleration of 4 m s to the...
- Q Case 2 Equilibrium of a current carrying conductor When a finite length current carrying wire is kept parallel to another infinite length current carrying wire it can suspend freely in...
- Q A heavy block is attached to the ceiling by a spring that has a force constant k A conducting rod is attached to block The combined mass of the block...
- Q A simple pendulum of length L is constructed from a point object of mass m suspended by a massless string attached to a fixed pivot point A small peg is...
- Q c 384 Hz d 500 Hz 29 A particle executes SHM with an amplitude of 2 cm When the particle is at 1 cm from the mean position the magnitude...
- Q 3 The maximum velocity of a particle executing simple harmonic motion is v If the amplitude is doubled and the time period of oscillation decreased to 1 3 of its...
- Q When displaced and released the 2 kg mass in figure oscillates on the frictionless horizontal surface with period 6 seconds If a small mass is placed on the 2 kg...
- Q In simple harmonic motion Which one of the following quantities has constant ratio with acceleration A Time B Displacement C Velocity Mass Medium
- Q y A 55 P t 0 X Fig 14 10 P t 0 B T 30 s Example 14 4 Fig 14 10 depicts two circular motions The radius of...
- Q In the given figure a mass M is attached to a horizontal spring which is fixed on one side to a rigid support The spring constant of the spring is...
- Q 154 1 The displacements of the particle from the extreme position when its kinetic energy is th of 3 the maximum value and th of the maximum value are XA...
- Q Motion 11 A simple pendulum has a length of 13 m and mass 25 kg The pendulum bob is pulled 0 5 m to one side from its rest position...
- Q a block of mass 200 g falls from a height of 9 8 cm on the pan of a spring balance as shown the mass of the pan and spring...
- Q Problem 4 7 When the masses of the coupled pendulums of Figure 4 1 are no longer equal the equations of motion become 100 and m x m g l...
- Q 39 A weightless spring of length 60 cm and force constant 100 N m is kept straight and unstretched on a smooth horizontal table and its ends are rigidly fixed...
- Q Q5 A rectangular block of mass m and area of cross section a floats in a liquid of density p If it is given a small vertical displacement from equilibrium...
- Q The bob of a pendulum has mass of 40 mg and charge q 10 C is given to it length of pendulum is 90 cm The poin of suspension support...
- Q TU If two S H M are represented by equations y 10 sin 3nt and y 5 sin 3nt 3 cos 3rt then find the ratio of their amplitudes and...
- Q 79 Consider a pair of identical pendulums which oscillate with equal amplitude independently such that when one pendulum is at its extreme position making an angle of 2 to the...
- Q 80 Two pendulums differ in lengths by 22 cm They oscillate at the same place so that one of them makes 30 oscillations and the other makes 36 oscillations during...
- Q its is arily nous frequency of a driven oscillator depends on the damping 100 A block of mass m is attached to a spring of spring constant k and has...
- Q a 0 0375 J 0 125 J c 0 125 J 0 125 J SOME SYSTEMS EXECUTING SIMPLE HARMONIC MOTION 51 A body of mass m is situated in a...
- Q a 2 b 2 c 4 d 3 63 Time period of oscillation of a spring is 12 s on earth What shall be the time period if it is...
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