Physics question and answers for April 13, 2024
- Q A block Q of mass 2m is placed on a horizontal frictionless plane A second block of mass m is placed on it and is connected to a spring of...
- Q ase by fo A 0 50 kg object is attached to a vertical spring of constant k as shown above The object is pulled down and released The pject oscillates...
- Q 1 A particle is executing simple harmonic motion along x axis with a time period T and displacement amplitude A Find the time taken by the particle to move from...
- Q A block of mass m hangs from three springs as shown in the figure If the mass m is slightly displaced downwards the time period of oscillation will be 3K...
- Q The centre of a solid sphere of mass m and radius R placed on a rough horizontal plane is connected to a spring of stiffness k as shown An impulse...
- Q A block of mass m is attached with a spring in its natural length of spring constant k The other end A of spring is moved with a constant acceleration...
- Q A block of mass M is attached with a spring of spring constant K The whole system is placed on a vehicle as shown in the figure If the vehicle...
- Q 10 A ball is rolling without slipping in a spherical shallow bowl radius R as shown in the figure and is executing simple harmonic motion If the radius of the...
- Q 22 A parabolic bowl with its bottom at origin has the shape y x 20 Here x and y are in metres The maximum height at which a small mass...
- Q 38 For a simple pendulum of length 0 7 m carrying a bob of mass 10 g and vibrating with an amplitude of 6 cm what is the PE at...
- Q 38 A body is executing SHM At a displacement x its potential energy is E and at a displacement y its potential energy is E Find its potential energy E...
- Q 4 A simple pendulum oscillates the amplitude oscillation is reduced to one third of its initia amplitude A at the ends of 10 oscillations Afte complete 20 oscillations its amplitude...
- Q Questions 32 34 System A System B heeeeee Leeeee Systems A and B contain identical ideal springs and identical blocks that can slide along a surface of negligible friction In...
- Q A particle is performing simple harmonic motion giver by the equation y Asin wt If mass of the particle is m then average kinetic energy of the particle over a...
- Q With help of displacement x velocity v equation X v 25 100 For SHM determine time period 1 3 14 sec 3 6 28 sec 7 1 2 1 07...
- Q Two masses m m are suspended together by a massless spring of constant k when the masses are in equilibrium m is removed without disturbing the system the amplitude of...
- Q A simple pendulum of length 1 m is oscillating with an angular frequency 10 rad s The support of the pendulum starts oscillating up and down with a small angular...
- Q 47 A second harmonic has to be generated in a string of length stretched between two rigid supports The points where the string has to be plucked and touched are...
- Q 2 Two waves have equations x a sin wt and x a sin wt o If in the resultant wave the X2 frequency and amplitude remain equal to amplitude of...
- Q Two identical simple pendulums A and B are fixed at same point They are displaced by very small angles a and B B a and released from rest Calculate the...
- Q A loade vertical spring executes S H M with time period of 4 s The difference between the kinetic energy and potential energy of this system varies with a period...
- Q A loaded vertical spring executes S H M with time period of 4 s The difference between the kinetic energy and potential energy of this system varies with a period...
- Q For a particle undergoing simple harmonic motion the square of velocity v is plotted against square of displacement x 2 The graph obtained will be A parabola An ellipse A...
- Q The vertical motion of a ship at sea is described by equation d y dt 4y where y is vertical height of ship in metre above its mean position If...
- Q A mass M is suspended from a spring and oscillates with a period of 0 880 s Each complete oscillation results in an amplitude reduction of a factor of 0...
- Q In simple harmonic motion at extreme positions hr min Kinetic energy is maximum and potential energy is minimum Kinetic energy is minimum and potential energy is maximum Both kinetic energy...
- Q A particle is executing SHM with amplitude 5 cm about x axis having its mean position at x 0 Speed of particle at x 2 cm and x 3 cm...
- Q Acceleration due to gravity of a planet is one fourth that of earth What is period of oscillation of a simple pendulum on this planet if it is 2 s...
- Q Two small blocks of 3 kg and 1 kg are attached to opposite ends of an ideal spring whose spring constant is K 300 Nm as shown in the figure...
- Q Two particles executing SHM of same amplitude of 20 cm with same period along the same line about same equilibrium position The maximum distance between the two is 20 cm...
- Q The time period of a spring block system is T The sprin is cut into two parts with their lengths in ratio 2 3 Now the block is attached to...
- Q Consider the following spring mass system The masses m and m2 both are equal to 2 kg If mass m2 is suddenly removed when the system was in equilibrium and...
- Q Q sur with frequency vo The block carries a charge Q on its surface If now a uniform electric field E is switched on as shown then SHM of the...
- Q The period of small vertical oscillations of a spring pendulum is found to be equal to 2 s The whole apparatus is now placed in an elevator accelerating upwards with...
- Q 29 A car is moving along a straight road with a uniform acceleration It passes two points P and Q separated by a distance with velocity 30 km h and...
- Q The equation of a plane progressive harmonic wave is given by y 5 cm sin 2 t 1 5x The maximum medium particle velocity is 10 cm s 15 cm...
- Q 35 Figure shows the position time graph of an object in SHM The correct equation representing this motion is x cm 1 2 sin 3 4 sin 2 0 4...
- Q 42 A body of mass 0 01 kg executes simple harmonic motion about x 0 under the influence of a force as shown in figure The time period of SHM...
- Q A block of mass M is attached to the lower end of a vertical spring The spring is hung from a ceiling and has force constant value k The mass...
- Q In case of a forced vibration the resonance peak becomes very sharp when the a damping force is small b restoring force is small c applied periodic force is small...
- Q d 0 61 m 23 Two particles are executing simple harmonic motion of the same amplitude A and frequency a along the x axis Their mean position is separated by...
- Q The vertical displacement sin wt cos wt 2 y 2 does not lose contact with the platform is g 10 m s y is in m t is in s...
- Q A block A of mass 1 kg is in contact with another block of same mass A is attached to a spring of natural length I m and spring constant...
- Q The time period of a simple pendulum is measured to be equal to 4 s If the string of the pendulum is cut into three parts of lengths in the...
- Q A ring shaped tube contains equal mass of Oxygen and Nitrogen in section 1 and section 2 respectively separated by a smooth movable conducting piston P2 If P is fixed...
- Q iii Length of resonance tube is 140 cm How many resonance are possible for wave have wave length 40 cm iv Length of resonance tube is 150 cm How many...
- Q Two particles with same mass are performing simple harmonic motions along x axis whose displacement versus time graphs are shown The ratio of their K maximum kinetic energies K x...
- Q A particle is subjected to two simple harmonic motions along x direction and y direction simultaneously according to equations x 3 sin 2t and y 4 cos 2 t then...
- Q Two particles each performing their respective S with same amplitude along the same line start the motion from their common mean position in opposite direction If the frequency of oscillation...
- Q A particle of mass m oscillates along x axis according to equation x asinot The nature of the graph between momentum and displacement of the particle is a Circle b...
- Q A particle which is executing a linear SHM has an amplitude equal to 4 cm It is observed that when the displacement of the particle from mean position is 2...
- Q In simple harmonic motion which one is incorrect statement Displacement and velocity may be in same direction Velocity and acceleration may be in same direction Displacement and acceleration can never...
- Q uestion Laurquestionnasroon opcions A 0 C and 0 Onity ONE or these four options is correct Marking scheme 5 If the correct option is selected The figure represents the instantaneous...
- Q The potential energy U of a particle is given by equation U 2 5x 20 joule The mass of the particle is 0 2 kg then The mean position of...
- Q Consider a harmonic motion in which the force F and the displacement y are related by equation FH M y 1 2 ky It can be approximated FSHM y for...
- Q A mass m is tethered by a spring of spring constant k to the mid point between two walls separated by a distance d The relaxed length of the spring...
- Q 45 Consider the situation shown in figure 8 E8 Initially the spring is unstretched when the system is released from rest Assuming no friction in the pulley find the maximum...
- Q 2 A block of mass 250 g is kept on a vertical spring of spring constant 100 N m fixed from below The spring is now compressed to have a...
- Q Two particles A and B are performing SHM along same straight line with same amplitude a and same angular frequency w At t 0 A is at the left extreme...
- Q A particle is oscillating in a straight line about a centre of force O towards which when at a distance x the force is mn x where m is the...
- Q In the figure shown a block executes SHM under the influence of two springs on a smooth surface as shown It is found that the time period of oscillation in...
- Q 16 A particle is performing SHM with energy of vibration 90 J and amplitude 6 cm When the particle reaches at distance 4 cm from mean position it is stopped...
- Q A particle performs simple harmonic motion with a time period of 0 2 s If the amplitude of the oscillations is 10 cm and the particle starts from mean positions...
- Q A variable force given by F 8x 16 N is applied on block of mass 2 kg At t 0 particle is at rest at x 5 m Equation of...
- Q period 5 8 od of a simple oscillator 1 12 s and its amplitude is 14 m If initially the oscillator is at mean position than the average spee during...
- Q Both the springs shown in figure 5 E2 are unstretched If the block is displaced by a distance x and released what will be the initial acceleration ooooooo m k...
- Q A travelling disturbance on a string is represented by the equation y 0 2 sin kx At where t is time in second If the wave speed is twice the...
- Q A particle of mass M is performing SHM with amplitude A When the particle was at A 2 and moving away from mean position a block of same mass was...
- Q The maximum velocity of a body undergoing simple harmonic motion is 0 04 ms and its acceleration at 0 02 m from the mean position is 0 06ms Its amplitude...
- Q Calculate the time period of a uniform metre stick if it is suspended from 20 cm mark Ans 1 52 sec Calculate the distance of centre of oscillation from the...
- Q Three spring mass systems in vertical plane are shown in the figure The mass of all the pulleys and connecting strings and springs are negligible and friction at all contacts...
- Q A particle performs S H M with time period T The time taken by the particle to move from half the amplitude to the maximum displacement is A 4 vest...
- Q 20 P3 CBSE PH EL SHM 76 A particle of mass m executing SHM makes foscillation per second The difference of its ki energy when at the centre and when...
- Q A pendulum oscillates with the time period string used in the pendulum is stretchable The point to which it is attached is given positive charge and the bob is also...
- Q The magnitude of average acceleration in half time period in a simple harmonic motion if particle starts from mean position is 2A0 A A C T2TT B 2 A0 27...
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