Physics question and answers for April 18, 2024
- Q A light insulated rod AB with two small identical metal balls connected to its ends is placed in uniform electric field with its length parallel to electric field Charges on...
- Q A metallic rod of length is tied to a string of length 27 and made to rotate with angular speec on a horizontal table with one end of the string...
- Q The ends of a stretched wire of length L are fixed at x 0 and x L In one experiment the displacement of the wire is y Asin x L...
- Q 3 A man measures the period of simple pendulum inside a stationary lift and finds it T second Now the lift accelerates upwards and the time period is The acceleration...
- Q A small body of mass m is attached at B to a hoop of mass 3m and radius r The system is released from rest with 0 90 and rolls...
- Q 10 The amplitude and the periodic time of a SHM are 5 cm and 6 s respectively At a distance of 2 5 cm away from the mean position the...
- Q A uniform rod of length f lies on a frictionless horizontal surface One end of the rod is attached to a pivot An un stretched spring of length L lies...
- Q v 8 A copper sphere attached to the bottom of a vertical spring is oscillating with time period 10 s If the copper sphere is immersed in a fluid assume...
- Q a k k c k k k k R2 d kqk k k 7 A simple harmonic oscillator consists of a particle of mass m and an ideal spring with...
- Q 26 A weightless rigid rod with a small iron bob at the end is hinged at point A to the wall so that it can rotate in all directions The...
- Q 2 3 Two pendulums have time period T and 5T 4 They starts SHM at the same time from the mean position What will be the phase difference between them...
- Q 1 A body of mass m is attached to the lower end of a spring whose upper end is fixed The spring has negligible mass When the mass m is...
- Q 7 A particle of mass 40 g executes a simple harmonic motion of amplitude 2 0 cm If the time period is 0 20 s find the total mechanical energy...
- Q 9 55 A mass of 0 2 kg is attached to the lower end of a massless spring of force constant 200 Nm the upper end of which is fixed...
- Q 2 Two masses 8 kg and 4 kg are suspended together by a massless spring of spring constant 1000 Nm When the masses are in equilibrium 8 kg is removed...
- Q 76 A mass M 5 kg is attached to a spring as shown in the figure and held in position so that the spring remains unstretched The spring constant is...
- Q orm spring whose unstressed length is 1 has a force constant k The spring is cut into two pieces of unstressed lengths 1 and 12 where l nl 2 where...
- Q 42 In a spring mass system the length of the spring is L a 4 Hz and it has a mass Mattached to it and oscillates with an angular frequency...
- Q Q No 19 Sections Measuring mechanism whose mobile component attains its equilibrium position without oscillations round new position is called A Damped measuring mechanism B Aperiodic measuring mechanism C Stable...
- Q C Answer the following questions 1 What happens to the time period of a simple pendulum if i The amplitude is made four times The gravity at a place is...
- Q The damping force on an oscillator is directly proportional to the velocity The units of the constant of proportionality are AIPMT Prelims 2012 1 kg s 1 2 kg s...
- Q The time period of a givel K dddddd Spring 2 m LEIX T 2 1 2K 10 Block 2 1 m Elastic string Solution Answer 3 When a string is...
- Q Consider the system of solid cylinder and plank connected with spring and placed on sufficiently rough surface If m 1 1 kg and k 100 N m Find time period...
- Q wo masses m and m are joined by a spring as shown The system is dropped to the ground from a certain height The spring will be 1 Stretched when...
- Q Q 8 A solid cone of semi vertical angle a 30 and height h is suspended vertically from its vertex as shown in the figure The cone is slightly rotated...
- Q 21 The period of oscillation of simple pendulum is 1 measured value of Lis 20 0 cm known to T 2 V g 1 mm accuracy and time for 100...
- Q 1 For the two adiabatics shown on a pressure volume P V diagram if process 1 is for oxygen gas then process 2 may be for Assume all gases are...
- Q A block of mass m 1 kg is attached to a spring of force constant k 24 N cm at one end and attached to a string tensioned by mass...
- Q A block of mass m which can slide up and down without rotation between two frictionless walls is suspended with the help of two light springs and a light inextensible...
- Q A particle is moving with constant angular velocity w along a circular path of radius A as shown in figure Find out x component of velocity of particle as a...
- Q time period 2 g 57 Consider one end of an ideal spring with spring constant K fixed and other end is attached to a block of mass M placed on...
- Q 1 0 8 and 49 2 0 9 and 90 3 0 7 and 50 4 0 99 and 99 5 The simple harmonic motion of a particle is 35...
- Q Two particles carrying charges q and q and having equal masses m each are fixed at the ends of a light rod of length a to from a dipole The...
- Q An ideal gas is enclosed in a cylindrical container of radius r fitted with a light cork on its top The coefficient of friction between the cork and the container...
- Q A block of mass m 2kg is moving with velocity Vo towards a massless unstretch spring of force constant K 10 N m on a rough surface as shown Coefficient...
- Q Students I II and III perform an exp measuring the acceleration due to gravity g using a simple pendulum They use different lengths of the pendulum and or record time...
- Q Figure shows the magnetic hysteresis loop that is the B H curve for ferromagnetic materials Mark the INCORRECT statement 1 The value of B at H 0 is called remanence...
- Q the block towards left and is then released If the collision between the block and the wall is completely elastic then the time period of oscillations of the block will...
- Q 2 Three consecutive flash photographs of travelling wave on a string are reproduced in the figure here The following observations are made Which of the following options is correct Mass...
- Q 91 One end of a long metallic wire of length L is tied to the ceiling The other end is tied to massless spring of spring constant k A mass...
- Q The particle executing simple harmonic motion has a kinetic energy K cos ot The maximum values of the potential energy and the total energy ar 2 2 0 and 2K...
- Q 5 a What is the difference between rotational motion and simple harmonic motion Can you deduce the expression for the velocity of a particle executing simple harmonic motion What is...
- Q In the figure the ball A is released from rest when the spring is at its natural length For the block B of mass M to leave contact with the...
- Q The time period of a particle executing S H M is 8s At t 0 it is at the mean position The ratio of the distance covered by the particle...
- Q A pendulum of length 10 cm is hanged by a wall making an angle 3 with vertical It is swung to position B Time period of pendulum will be A...
- Q Two masses m and m2 are suspended together by a massless sring of spring constant k Fig When the masses are in equilibrium m is removed without disturbing the system...
- Q If the same weight is suspended from three springs having spring length in the ratio 1 3 5 the period of oscillations shall be in the ratio of A B...
- Q One end of a spring of force constant k is fixed to a vertical wall and the other to body of mass m resting on a smooth horizontal surface There...
- Q There is a pendulum executing simple harmonic motion and its maximum kinetic energy is K If the length of the pendulum is doubled and it performs simple harmonic motion with...
- Q A The position of a particle moving along x axis is given by x xo cos wt Its speed when it is at mean position is 2x000 Xoto xow 2...
- Q 2x0 1 g attached to a spring of spring is lying on a frictionless floor as constant 100 Nm The block is moved to compress the spring 1 10 cm...
- Q A particle of mass m is attached to a spring of spring constant k and has a natural angular frequency An external force F t proportional to cos oot ww...
- Q The position of a particle moving along x axis is given by x xo cos2 wt Its speed when it is at mean position is A B C D 2x0w...
- Q 4 0 5 s 2 0 75 s 3 0 125 s 4 0 25 s A point mass oscillates along the x axis according to the law x x...
- Q The x t graph of a particle undergoing simple harmonic motion is shown below The acceleration of the particle at t 2 3 2 cm 2 cm 32 2 cm...
- Q A particle is vibrating in simple harmonic motion with amplitude of 4 of 4 cm The displacement of the particle when kinetic energy becomes half of total energy is B...
- Q 3 In the arrangement shown in the fig the the spring and the thread are ideal The spring is stretched and the two blocks are in contact with a horizontal...
- Q Q 24 75 A simple pendulum with a bob of mass 100 g has time period 4 s If the bob is given charge 0 001 C and a vertically...
- Q A radioactive source is a mixture of two radioactive materials X and Y with mean life time of 6 days and 9days respectively Initially 20 of radiations came from the...
- Q 17 A simple pendulum performs simple harmonic motion about x 0 with an amplitude a and time w 4 a period T The speed of the pendulum at x 2...
- Q lar motion of a picle The radius of the circle period sense of revolun and the initial position are inated on the figure The simplermonic motion of the x projeon...
- Q equilibrium The mass of the container The system shown in figure is in the container is p and the volume of with liquid is M density of liquid in displaced...
- Q A pendulum bob of mass 8 mg carries an electric charge of 39 2 10 10 C in a horizontal electric field of 20 x 103 NC 1 and is...
- Q A man measures the period of simple pendulum inside a stationary lift and finds it T second Now the lift accelerates upwards and the time period is T The acceleration...
- Q 2 Frequency of oscillation of a body is 6 Hz when force F is applied and 8 Hz when F is applied If both JAIPMT 2004 forces F F are...
- Q Two point sources separated by 2 0 m are radiating in phase with 0 50 m A detector moves in a circular path around two sources in a plane containing...
- Q 37 A particle is in linear SHM of amplitude A and time period T If v refers to its average speed during any interval of T 3 then the maximum...
- Q having surface charge density o is placed in Y Z plane A simple pendulum having bob of mass m and charge q is hanged right to the plate as shown...
- Q A particle is executing SHM along the x axis with amplitude A and time period T At any instant particle is at its left extreme position Time taken by this...
- Q The potential energy of a particle of mass m executing SHM along the x axis is given by U Uo Uo cosax The time period of small oscillation of the...
- Q 4 Two pendulums of time periods 3 S respectively start oscillating simultaneously from two opposite extreme positions After how much time they will be in same phase 21 21 a...
- Q 5 A particle of mass 1 g executes an oscillatory motion on the concave surface of a spherical dish of radius 2 m placed on a horizontal plane If the...
- Q In the arrangement shown in the figure a pulley of mass M is suspended from a light spring of stiffness constant k and a mass m is suspended form a...
- Q A simple harmonic oscillator of angular frequency 2 rad s is acted upon by an external force F sint N If the oscillator is at rest in its equilibrium position...
- Q In the figure two tiny conducting balls of identical mass m and identical charge q hang from nonconducting threads of length L Assume that is so small that tan 0...
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