Physics question and answers for April 15, 2024
- Q A vertical mass spring system executes simple harmonic oscillations with a period of 2s A quantity of this system which exhibits simple harmonic variation with a period of 1 second...
- Q 10 In the middle of a calm lake a radio receiver is installed on a pole at height 4 0 m above water level The receiver is used to track...
- Q 7180 If the amplitude of particle executing SHM is doubled then which of the following quantities will be doubled Time period Mark for Review Total energy Angular frequency Maximum acceleration
- Q A pendulum made of point mass m on a massless rod of length is hanging from a mass M sliding freely without friction or external forcing along a horizontal rail...
- Q 42 An assembly of identical spring mass system is placed on a smooth horizontal surface as shown Initially the springs are relaxed The left mass is displaced to the left...
- Q At a moment in a progressive wave the phase of a particle executing S H M is 3 Then the phase of the particle 15 cm ahead and at the...
- Q 31 A pendulum has time period T for small oscillations An obstacle P is situated below the point of suspension O at a 3 distance The pendulum is released 31...
- Q 11 A particle is subjected to two mutually perpendicular simple harmonic motions such that its x and y coordinates are given by sin ot y 2 coswt The path of...
- Q 7 A sound wave of frequency 245 Hz travels with the speed of 300 ms along the positive x axis Each point of the wave moves to and fro through...
- Q k x 1 A student says that he had applied a force F on a particle and the particle performs in simple harmonic motion He refuses to tell whether k...
- Q A block of mass 1 kg attached to a spring is made to oscillate with an initial amplitude of 12 cm After 2 minutes the amplitude decreases to 6 cm...
- Q 13 A particle executing SHM while moving from one extremity is found at distance x x2 and x3 from the centre at the end of three successive seconds The time...
- Q 14 Two particles are executing SHM in a straight line Amplitude A and time period T of both the particles are equal At time t 0 one particle is at...
- Q 9 Consider the spring block system shown in the figure initially block m is in equilibrium An impulse gives the block a velocity v upwards Find the maximum speed of...
- Q The displacement time graph of a particle executing SHM is as T him 2 T 3T T 4 4 Which of the following statement is wrong Question Type Single Correct...
- Q 4 A system consists of two identical cubes each of mass m linked together by the compressed weightless spring of spring constant k the cubes are connected by a thread...
- Q IT bodies performing S H M have same amplitude and frequency Their phases at a certain instant are as shown in the figure The phase difference between them is x...
- Q 38 String 1 has twice the length twice the radius twice the tension and twice the density of another string 2 The relation between the fundamental frequencies of 1 and...
- Q 18 A block with mass M rests on a frictionless surface and is connected to a horizontal spring of force constant k The other end of the spring is attached...
- Q 5 A particle of mass 2 kg is attached with a spring of 1m it stiffness 72 N m When block is at x moves with maximum speed The block...
- Q 27 The particle executing simple harmonic motion has a kinetic energy Kocos wt The maximum values of the potentia energy and the total energy are respectively a Ko 2 and...
- Q A container of mass m is pulled by a constant force in which a second block of same mass m is placed connected to the wall by a mass less...
- Q A ring attached with a spring is fitted in a smooth rod The spring is fixed at the outer end of the rod The mass of the ring is 3...
- Q A wooden block performing SHM on a frictionless surface with frequency Vo The block carries a charge Q on its surface if now a uniform electric field E is switched...
- Q A particle in S H M is described by the displacement function x t acos t e If the initial t 0 position of the particle is 1 cm and...
- Q The light waves from two independen monochromatic light sources are given by y 2 sin wt kx and y 3 cos ot kx then the following statement is correct 1...
- Q If a bob of the simple pendulum having negative charge q is made to oscillate in a uniform electric field acting vertically upward direction then its time period 1 Increases...
- Q A small spherical steel ball is placed a little away from the centre of large concave mirror whose radius of curvature is 2 5 cm When ball is released it...
- Q 2 A particle moving along x axis has its position varying with time given by x 4 Sin 2 where x is in cm and t in sec With respect...
- Q A mass of 1 kg is attached to two identical springs each with stiffness k 20 kN m as shown in the figure Under frictionless condition the natural frequency of...
- Q a where k and a are positive 2 2x particle of mass m is moving in potential energy U onstants The angular frequency of small oscillations for the simple harmonic...
- Q A pendulum clock keeps correct time at 0 C It s mean coefficient of linear expansion is a C then the loss in seconds per day by the clock if...
- Q to 4 34 A ho zonta supported by two vertical identical springs of spring constant K each and natural length lo A current i is flowing in the rod in...
- Q 13 If a particle executes SHM with angular velocity 3 5 rad s and maximum acceleration 7 5m s then the amplitude of oscillation will be a 0 8 m...
- Q Figure shows a small block of mass m attached to a spring of force constant k and an identical spring hangs from ceiling Initially lower spring is in compressed state...
- Q If a positively charged pendulum is oscillating in a uniform electric field as shown in fig Its time period as compared to that when it was uncharged 1 Will increase...
- Q Objective Question II One or more correct option 7 A simple pendulum of length L and mass bob M oscillating in a plane about a vertical line between angul limits...
- Q 36 Time period of a simple pendulum of length L as measured in an elevator descending with acceleration is 3 a 2 c 2 3L 2g 3L g 6 0...
- Q executing SHM is 0 then the time period of the body is a Zero b 2 The mass and dian d TC 2 2d x dt 32x
- Q 40 A mass m is suspended by means of two coiled springs which have the same length in unstretched condition as shown in figure Their force constants are k and...
- Q 8 Assertion If the amplitude of a simple harmonic is doubled its total energy also becomes oscillator doubled Reason The total energy is directly proportional to the amplitude of vibration...
- Q 21 A uniform 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 1 nl...
- Q 19 A simple pendulum of length 1 and mass bob m is suspended vertically The string makes an angle 0 with the vertical The restoring force acting on the pendulum...
- Q 24 The time period of a simple pendulum inside a stationary lift is 5 What will be the time period when the lift moves upwards with an acceleration 4 a...
- Q ent of Onic of a particle The sense of revolution and radius of the circle the period the initial position are indicated on the figure The simple harmonic motion of...
- Q 10 Assertion The graph of total energy of a particle in S H M w r t position is a straight line with zero slope Reason Total energy of particle...
- Q Three simple harmonic motions in the same direction having the same amplitude A and same period are superposed If each differs in phase from the next by 450 then 1...
- Q 16 A string has tension T for tripling the frequency the tension in the string will be T a 3T 9 C T own mubom b d 9T
- Q If this body rolls purely then time period of its small oscillations is T It s moment of inertia about CM is 9 40 kg m Fill value of T...
- Q a ed 37 A block of mass m and charge q is placed in electric 3y field E Eo 4 where y is a vertical distance ho from the starting...
- Q A 1 00 x 10 2 kg particle is vibrating in simple harmonic motion with a time period of 1 00 x 10 5 sec and a maximun speed of...
- Q 23 A particle is undergoing simple harmonic motion on a straight line of amplitude 1 cm and time period 8 second Starting from mean position the distance covered by the...
- Q A wedge of mass m is kept on smooth surface and connected with two springs as shown in the figure Initially springs are in their natural length Time period of...
- Q A plane wave is represented by x 1 2 sin 314t 12 56y Where x and y are distances measured along in x and direction in meters and t is...
- Q 2 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 after...
- Q 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 direction The rod...
- Q 1 A heavy brass sphere is hung from a weightless inelastic spring and as a simple pendulum its time period of oscillation is T When the sphere is immersed in...
- Q 6 Two linear simple harmonic motion of equal amplitude a frequencies 20 are impressed on a particle along x y axis respectively resultant path followed by particle is given by...
- Q 3 The relation between acceleration and displacement of four particles are given below a a 2x C c a 2x b a ax d a 2x 2x Which one of...
- Q 15 When the kinetic energy of a body executing SHM is 1 3 of the potential energy The displacement of the body is x percent of amplitude where x is...
- Q In the overhead view of above figure a long uniform rod of mass 0 600kg is free to rotate in a horizontal plane about a vertical axis through its center...
- Q 7 The motion of a particle executing simple harmonic motion is described by the displacement function x t A cos wt p If the initial t 0 position of the...
- Q 21 If the two S H M s are having same period along same path and amplitude is same but different initial phases the resultant amplitude when two S H...
- Q A homogeneous disk is allowed to swing in a vertical plane about the pivot shown below Compute the following quantities showing steps in detail don t copy ready formulas 1...
- Q A uniform rod of length 6m is hanged vertically from one end and given a small angular displacement from mean position then it starts performing angular SHM calculate the time...
- Q A block of mass m is tied to one end of a spring which passes over a smooth fixed pulley A and under a light smooth movable pulley B The...
- Q The phase at a time t of a particle in simple harmonic motion tells Only the position of the particle at time t Only the direction of motion of the...
- Q A particle is moving with constant angular velocity along the circumference of a circle Which of the following statements is true The particle so moving executes S H M The...
- Q A particle is executing simple harmonic motion with a period of T seconds and amplitude a metre The a shortest time it takes to reach a point m from its...
- Q A 1 00 x 10 20 kg particle is vibrating in simple harmonic motion with a time period of 1 00 x 10 5 sec and a maximum speed of...
- Q A light inextensible string carrying a spring as shown is passed over two smooth fixed pulleys Find the time period of oscillation if the rod is slightly rotated about the...
- Q Two identical spring of constant K are connected in series and parallel as shown in figure A mass m is suspended from them The ratio of their frequencies of vertical...
- Q Two blocks A and B each of mass m are connected by a massless spring of natural length L and spring constant K The blocks are initially resting on a...
- Q A mass m is suspended by means of two coiled spring which have the same length in unstretched condition as in figure Their force constant are k and k respectively...
- Q As shown in the figure the spring mass system is subjected to Simple Harmonic 12s Determine the time taken by the mass to reach half of the amplitude from the...
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