Physics question and answers for April 12, 2024
- Q Problem 1 Two identical particles each of mass m are interconnected by a light spring of stiffness k the time period for small oscillation is equal to 1 2 m...
- Q A uniform disc of mass M and radius R is hinged at its lowest point and placed in gravity free space It is attached with two identical springs in natural...
- Q 3 A particle executes linear simple harmonic motion with an amplitude of 3 cm When the particle is at 2 cm from the mean position the magnitude of its velocity...
- Q AllM 1 A body of mass 600 gm is attached to a spring of spring constant k 100 N m and it is performing damped oscillations If damping constant is...
- Q k m k When mass m oscillates with spring of spring constant k its frequency is 3Hz and with spring of spring constant k its frequency is 6Hz Then frequency...
- Q 11 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 their...
- Q The period of a particle is 8s At t 0 it is at the mean position The ratio of distance covered by the particle in first second and second second...
- Q 19R A neutral pendulum osciliates in an uniform electric field as shown in figure If a positive charge is given to the pendulum then its time period 11 11 1...
- Q 68 A particle of mass m and charge Q is placed in an electric field E which varies with time as E E sin ot It will undergo simple harmonic...
- Q The variation of acceleration a and displacement x of the particle executing SHM is indicated by the following curve 1 3 na X 2 X LA X 4 X
- Q Problem 15 A simple pendulum has a time period T in vaccum Its time period when it is completely immersed in a liquid of density one eight of the density...
- Q A small block A of mass m is placed symmetrically over rectangular block B of mass 2 m and having dimensions shown in figure Block B is placed over frictionless...
- Q 7 A body of mass 600 gm is attached to a spring of spring constant k 100 N m and it is performing damped oscillations If damping constant is 0...
- Q 10 Same spring is attached with 2 kg 3 kg and kg blocks in three different cases as shown in figure If x x and x be the respective extensions...
- Q Consider the system shown below If the charge is slightly displaced perpendicular to the wire from its equilibrium position then find out the time period of SHM P di q...
- Q The springs shown are identical When A 4kg the elongation of spring is 1 cm If B 6kg the elongation produced by it is TRO 1 4 cm 3 2...
- Q Problem 1 21 A block of mass one kg is fastened to a spring with a spring constant 50 Nm The block is pulled to a distance x 10 cm...
- Q Two SHM s with same amplitude and time period when acting together in perpendicular directions with a phase difference of r 2 give rise to a straight motion c circular...
- Q 3 Maximum 4 Maximum velocity A body oscillates with SHM according to the equation x 5 0 cos 2 t n At time t 2 s its displacement speed and...
- Q A block of mass 4 kg is attached to a massless ideal spring and suspended vertically from a ceiling Initially the spring is un stretched when the block is released...
- Q A rod AB of mass m is bent in a shape such that it forms an arc of a circle of radius R The ends A and B of the...
- Q 133 A equilibrium towards left and then set free to execute S H M Select correct graph between its velocity v and displacement x 3 4 1 2 f 0...
- Q 75 The displacement y of a particle executing periodic motion is given by This expression may be considered to be a result of the superposition of y 4 cos 1...
- Q 3 6T 7 4 32 Find the time period of oscillations of a body placed in a tunnel dug into earth any where in the earth approximately 1600 T 2...
- Q 13 A particle is executing SHM on a straight line A and Bare two points at which its velocity is zero It passes through a certain point P AP BP...
- Q executing S H M as shown in the figure 1 FA time graph of a particle 3 y to T12 FA 0 The corresponding force time graph of the particle...
- Q A block of mass m is attached to two unstretched springs of spring constants k and k as shown in figure The block is displaced towards right through a distance...
- Q A needle of a sewing machine moves along a path of amplitude 4 cm with frequency 5 Hz Find its acceleration s after it has crossed the mean Ans 34...
- Q m 20 kg is 16 A point mass suspended by by a massless spring of constant 2000 N m The point mass is released when elongation in the spring is...
- Q 35 A system is shown in figure Find the time period for small oscillations of two blocks 1 2 2 dr 3 2 3m k 3m 4k m k 2k...
- Q A plank with a small block on top of it is under going vertical SHM Its period is 2 sec The minimum amplitude at which the block will separate from...
- Q acce 15 A particle in S HM has a period Is an amplitude 5 cm Find the acceleration when it at 2 cm from its mean position
- Q 02 A tuning fork A produces 4 beats second with another tuning fork of frequency 246 Hz When the prongs of A are filed a little the number of beats...
- Q 13 The vibration of a string is represented by cos 48nt where x and y are in cm y 5 sin TX 15 and t in second then amplitude of...
- Q Two particle execute SHM with same frequency and amplitude along the same straight line They cross each other at a point midway between the mean and the extreme position Find...
- Q 21 A load of mass m falls from a height h on to the scale pan hung from a spring as shown in the adjoining figure If the spring constant...
- Q The amplitude of a SHM reduces to 1 3 in first 20 second then in first 40 second its amplitude becomes bound of 8 1 13 2 3 1 27...
- Q The period of oscillation of a body of mass m suspended from a light spring is T When a body of mass m is tied to the first body and...
- Q 1 2 Two parallel S H M s represented by x 5sin 4 t 3 cm and x 3sin 4 t 4 m are superposed on a particle Determine the...
- Q 4 Two bodies M and N of equal masses are suspended from two separate massless springs of force constants k and k respectively If the two bodies oscillate vertically such...
- Q particle is performing simple hormonic motion on straight line with time period T The minimum time taken by the particle to travel from right extreme position to half of its...
- Q The ratio of maximum velocity to the velocity of a particle performing S H M at a point where potential energy is 25 of total energy is 1 2 3...
- Q 6 There are two pendulums of length 1 and 2 start vibrating At some instant the two are in mean position in the same phase Calculate after how many vibrations...
- Q A cylindrical block of density d stays fully immersed in a large beaker filled with two immiscible liquids of different densities d and d The block is in equilibrium with...
- Q d 1 1 A simple harmonic oscillator consists of a particle of mass m and an ideal spring with spring constant k The particle oscillates 15 with a time period...
- Q A simple pendulum of length 1 m is allowed to oscillate with amplitude 2 It collides elastically with a wall inclined at 1 to the vertical Its time period will...
- Q A10 cm Freqency of oscillation is A 8 B 20 cm B 10 C 30 cm F 2 kaa 2 C 5 kaq xw D 2 f 1 w 271...
- Q Any non harmonic periodic function can be constructed from two or more harmonic functions One such function is F t a sin at a sin 2 t It can be...
- Q Given acceleration due to gravity on the surface of earth is y i In the device shown in the figure the block m is displaced down slightly and released it...
- Q A particle performing linear S H M of period 27 seconds about the mean position O is observed to have a speed of b 3 m s when at a...
- Q 37 A graph of the square of the velocity v against the square of the acceleration a of a given simple harmonic motion is 1 3 h h 2 a...
- Q 55 When the string of a conical pendulum makes an angle of 45 with the vertical its time period is T When the string makes an angle of 60 with...
- Q A rod of mass M and length L is hinged at its one end and carries a particle of mass m at its lower end A spring of force constant...
- Q 21 The r m s value of potential difference V shown in the figure is 1 V Dole Vo 0 V 2 I T 2 2 Vo T 2T t...
- Q An electric fan is turned off and its angular velocity decreases uniformly from 500 rev min to 20 rev min in 4 seconds a Find the angular acceleration in rev...
- Q Two oscillating simple pendulums with time period T 5T and are in phase at a given time They are again in 4 phase after an elapse of time a 4T...
- Q If two SHMs are represented by equations TC 5 3 Y 4 sin 3nt Y 4 sin 3rt 3 cos 3nt then the ratio of their amplitudes is 1 1...
- Q If a particle starting from mean position is in with time period T then time taken by part oscillation is complete 1 3 3T 8 T 12 3 8 2...
- Q A body of mass m is situated in a potential field U x U 1 cosax where U and a are constants The time period of small oscillation is m...
- Q O A horizontal plank has a rectangular block placed on it The plank stars oscillating vertically and simple harmonically with an amplitude of 40 cm the block just loses contact...
- Q 5 A simple pendulum of length 5 m is suspended from the ceiling of a cart Cart is sliding down on a frictionless surface having angle of inclination 60 The...
- Q 2018 19 19 For a spring mass system spring having sprin constant 19 7 N m is attached to it What show be the value of mass m approx so...
- Q In a spring block system shown the block of mass m moves over a smooth horizontal surface and under goes SHM with time period T and amplitude A A constant...
- Q y sin oot cos 2ot dy dt cosat 2wsin2wt d y y Oscillatory but S H M not possible dt d y dt w sinot 4w cos2wt wsi
- Q Damped harmonic oscillator consists of a block m 2kg a spring k 87 N m a damping force F by Initially it oscillates with an amplitude of 25 cm Because...
- Q A large number of bullets are fired in all directions with same speed v Maximum area on the ground on which these bullets will spread is 1 TV g 24...
- Q 13 A bar of mass M rests in equilibrium on a vertical spring lower end of which is affixed on the ground Now a block of mass m is held...
- Q The graph between velocity and displacement of a particle executing S H M of angular frequency 1 rad s can be where A is the amplitude of displacement 1 Circle...
- Q A particle of mass 4 kg is executing S H M Its displacement is given by the equation Y 8 cos 100t 1 4 cm Its maximum kinetic energy is...
- Q ET 12 The time period of a particle in simple harmonic motion is 8 s At t 0 it is at the I mean position The ratio of the distances...
- Q 4 The displacement of a particle executing SHM TC is given by y 5 sin 4t If T is the time 3 period and the mass of the particle is...
- Q resistance is 100 a inductive reactance at resonace condition 1 k After how many oscillation peak value 100 times maximum value current will fall to peak current 1 50 E...
- Q 34 The equation of motion of a particle starting a 7 where x is in 3 t 0 is given by x 5 sin 20t centimeter and t is in...
- Q 30 A bullet of mass 0 02 kg moving with a speed of strikes a 2 kg wooden block suspended by a 1 m long thread and is embedded in...
- Q 23 The particle executing simple harmonic motion has a kinetic energy Kocos2 wt The maximum values of the potential energy and the total energy are respectively AIPMT Prelims 2007 1...
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