Physics question and answers for April 21, 2024
- Q Board Competitive Exams Level 1 to 10 Find the ratio of the extension in upper spring to lower spring m k 1 m K K Feeeeeeee K m k 2...
- Q The system shown is hanging in equilibrium well above the ground When the string is cut the time taken by the spring to reach its natural length can be Take...
- Q space at points L 0 and L 0 Another particle with mass m and charge q is placed at the origin Now this particle is displaced by a distance of...
- Q Choose incorrect statement regarding oscillation 1 The potential energy of a body executing SHM at mean position can be non zero 2 The total energy of oscillating body remains constant...
- Q A pendulum clock and a wrist watch both are taken deep in a mine Which of the following statements is correct 1 Both will show correct and same time 2...
- Q 1 600 cal A mass M is suspended from a spring of negligible mass The spring is pulled a little and then released so that the mass executes simple harmonic...
- Q A U tube of uniform bore is placed with its arm vertical The total length of liquid in two arms of tub is L The time period of oscillation of...
- Q A simple pendulum of length L has mass M and it oscillates freely with amplitu A At extreme position its potential energy is g acceleration due to gravity A B2...
- Q A spring produces extension x by applying a force F N A body of mass m suspended from spring oscillates vertically with a period T The mass of the suspended...
- Q The length of the seconds pendulum is 1 m on the earth If the mass and diameter of the planet is half that of the earth then the length of...
- Q The period of oscillation of a mass M suspended from a spring of negligible mass is T If along with it another mass M is also suspended the period of...
- Q Question No 18 If y 5 mm sint is equation of oscillation of source S and y 5 mm sin t be that of S Si Options and it takes...
- Q A central force with potential r km k 0 is acting on a particle Calculate the angular frequency if the particle moving in a circle whose radius answer a 2...
- Q 3 A particle is executing SHM with a period of T seconds and amplitude A meter The shortest time A it takes to reach a point at seconds is 1...
- Q An insect trapped in a circular groove of radius 17 12 cm moves along the groove steadily and completes 7 revolutions in 100 s The linear speed of the insect...
- Q a 0 Two particles are oscillating along two close parallel straight lines side by side with the same frequency and amplitudes They pass each other moving in opposite directions when...
- Q A mass M is hung from a lower e nd of a light spring attached to ce iling If the mass is allowed to fal l from normal length of...
- Q A set of 25 tuning forks is arranged in a series of decreasing frequencies Each fork produces 3 beats per econd when sounded with succeeding fork If the first fork...
- Q A free spring hangs from a support and has a length of 20 cm Attaching a mass M to the spring causes it to oscillate If the mass is attached...
- Q aps A particle is moving in a three dimensional potential F 1 5 2 nd the mass of the particle is then what is the energy of the particle in...
- Q The bob of a simple pendulum of length L is released at time t 0 from a position of small angular displacement Its linear displacement at time t is given...
- Q A particle constrained to move along x axis given a velocity u along the positive x axis Th acceleration a of the particle varies as a bx where b is...
- Q The figure shows the circular motion of a particle which is at the topmost point on the y axis at t 0 The radius of the circle is B and...
- Q springs A B and C each of force constant k a shown in figure If the particle of mass m is pushed slightly against the spring A and released then...
- Q The bob of a simple pendulum is released at time t 0 from a position of sm angular displacement Its linear displacement is 1 length of simple pendulu and g...
- Q A body attached to a spring oscillates in horizontal plane with frequency n Its total energy is E If the velocity in the mean position is v then the spring...
- Q The amplitude of a particle executing SHM is 36 made three fourth keeping its time period constant Its total energy will be E 0 1 1 20 2 3 E...
- Q In the differential equation of linear simple harmonic motion w x 0 the term w represents A restoring force per unit mass per unit displacement B dax dt restoring force...
- Q A body executing S H M covers a b in successive seconds starting from one end If its amplitude is A and angular frequency is w then cos o cos...
- Q A small boay lass m a hoop of mass 3m and radius r The system is released from rest with 0 90 and rolls without sliding then which of the...
- Q Height of a Wave As a wave passes by an offshore piling the height of the water is modeled by the function h t 4 cos t where h t...
- Q A ring of radius R in yz plane is placed in a magnetic field B i Bottom point of ring is hinged and top point is attached to a spring...
- Q 12 A particle moves along a straight line to follow the equation ax by k where a b and k are constants and x and v are x coordinate and...
- Q A 175 g mass on a smooth surface is attached to a horizontal spring with a spring constant 8 N m 1 The mass is set to oscillate by pulling...
- Q Two points are located at a distance of 10 m and 15 m from the source of oscillation The period of oscillation is 0 05 s and the velocity of...
- Q The drawing shows a bicycle wheel ofradius r resting against a small step whoseheight is h r 5 A clockwise torqu isapplied to the axle of the wheel As themagnitude...
- Q A child swings sitting and standing inside swing as shown in figure then period of oscillations have the relation KCET Engg Med 2000 AIEEE 2002 DPMT 2004 MP PMT 2009...
- Q 12 A body is performing simple harmonic motion along y axis with a frequency 20Hz and path length 40cm When it passes the mean position along ve y direction stop...
- Q A 1 kg block is executing SHM of amplitude 0 1 m in vertical plane under restoring force of spring constant 100 N m A block of mass 24 kg...
- Q The constituent waves of a stationary wave have amplitude frequency and velocity as 8 cm 25 Hz and 150 cm s respectively What is the amplitude of the stationary wave...
- Q Two blocks of mass 5 kg and 1 kg connected by a spring are placed on a frictionless horizontal plane The massless spring is of natural length 2 m The...
- Q The fundamental frequency of an organ pipe filled with air is 500Hz what will be its fundamental frequency when air is replaced by hydrogen at the same temperature density of...
- Q Two circular rings each of radius a are joined together such that their planes are perpendicular to each other as shown in the figure The resistance of each half part...
- Q 112 A 2 0 kg block is attached to the end of a spring with a spring constant of 350 N m and forced to oscillate by an applied force...
- Q 1 A mass of 3 kg is attached to the free end of a spring as shown in the figure For this spring a force of 6 N causes a...
- Q P1 The position function x t 6 0 m cos 3 rad s t 7 3 rad gives the simple harmonic motion of a body At t 2 0 s...
- Q 3 25 points The simple harmonic motion generated by a supersonic wave actuator can be de picted by the curve shown in the Figure 3 x mm N 1 0...
- Q A 0 3 kg mass is attached to a spring with spring constant 30 N m along a horizontal frictionless surface The object oscillates in simple harmonic motion and has...
- Q 103 For a simple pendulum find the angular amplitude m at which the restoring torque required for simple harmonic motion deviates from the actual restoring torque by 1 0 See...
- Q English Mark for review figure shows a block of mass m at rest attached with three identical unstretched ideal springs of spring constant k If the container accelerating towards right...
- Q The block of mass M in the figure is connected to a left spring k k The right spring k 2k is fixed to the other wall such that its...
- Q A uniform sphere of mass 1 4 kg and radius 0 045 m is suspended from its surface by a wire of a torsional constant 55 Nm The wire is...
- Q A block of mass m is supported by string spring combination as shown in the diagram The string is sufficiently long The system is at rest in equilibrium The block...
- Q A 1 000 m long simple pendulum is situated near the earth s surface where 9 800 see Figure 2 Determine the period and frequency of the simple pendulum assuming...
- Q The total mechanical energy of a harmonic oscillato of amplitude 0 01m and force constant 2 x 10 N m is 160 J Then A The minimum potential energy is...
- Q The displacement of a particle executing SHM is given by Y 5 sin 3t 7 3 m and t is in seconds The initial displacement and maximum velocity of the...
- Q D When beats are produced by two progressive waves of nearly the same frequency which one of the following is correct a The particles vibrate simple harmonically with the frequency...
- Q A simple pendulum swings with an initial angular amplitude a If two elastic walls making an angle a are introduced in the system in a symmetrical way as shown in...
- Q 83 The position of a wave of wavelength 2 A is shown at t 0 find x coordinate of point P in metr if the wave speed is 300 m...
- Q Length of a string of density p and Young s modulus Y under tension is increased by 1 m times of its original length If the velocity of transverse and...
- Q A simple harmonic wave of amplitude 2 units is travelli along positive x axis At a given instant displacement f two different particle on the wave is 1 unit and...
- Q 84 Figure shows v x graph of a particle executing SHM the K E of the particle at x 3m will be the mass of particle is 125 gm Flipse...
- Q A uniform disc of radius R is to be suspended through a small hole made in the disc The minimum possible time period of the disc for small oscillation will...
- Q is attac led to one end of a mass less spring of force constant K lying on a frictionless horizontal plane The particle starts moving horizontally from its equilibrium position...
- Q A wooden block performs simple harmonic motion on a frictionless surface with frequency Vo The block carries a charge Q on its surface If now a uniform electric field E...
- Q A uniform solid hemisphere of mass m and radius R is attached to the roof with a chord of torsional constant C and performing torsional SHM Then the time period...
- Q A uniform rod of length L is suspended by an end and is made to undergo small oscillations The length of the simple pendulum having the time period equal to...
- Q A solid cylinder of density p cross sectional area A height H is hung from a spring of stiffness constant k and lowered inside a liquid of density o o...
- Q Full Marks Zero Marks If only the correct answer is given 0 In all other cases A uniform solid hemisphere of mass m and radius R is attached to the...
- Q A particle moves such that its acceleration a is given by a 8 x where x is the displacement from equilibrium position and a b are constants The period of...
- Q A uniform rod of length I is suspended through one end and is set into oscillation with small amplitude under gravity The time period of oscillation is 1 2n 21...
- Q A particle free to move along the x axis has potential energy given by U K 1 exp x for x 0 where K is a positive constant of appropriate...
- Q A cylinder of mass m radius r is slightly displaced and released Find the frequency of oscillation assuming the cylinder rolls without slipping 1 k voorvoo 3 1 2k 2...
- Q Question 25 Figure below show a massless pulley a spring of constant K 1000 N m and a mass 1 kg On displacing the mass slightly the frequenc of its...
- Q The block is released after stretching the spring by a distance A from its natural length The graph which represents the velocity of the block will be 1 3 K...
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