Physics question and answers for May 13, 2024
- Q 2 6 Answer A a satellite of mass m is projected from the surface of a stationary spherical planet of mass M m and radius R with a speed equal...
- Q 58 The gravitational field due to a system concentric thin spherical shells of mass m and m2 and radii and r r2 at the point P Gm 1 m r...
- Q 69 Select the angular speed of a geostationary satellite 1 zero 2 rad sec S 73 1800 rad sec 4 Can t be determined 43200 70 A satellite of mass...
- Q 4 fly upwards with acceleration With what minimum acceleration can a fireman slide down a rope whose breaking strength is th of his weight g gravitational acceleration 1 1 g...
- Q 56 The force of interaction between the semicircular ring and the particle placed at it centre when each is of mass M is 1 GM R 4GM M R M...
- Q A particle of mass m is taken to height equal to double the radius of earth The increase in Potential Energy of system is g is the acceleration due to...
- Q 50 The gravitational field due to mass distribution A in x direction Here A is constant Taking is E 2 X x the gravitational potential to be zero at infinity...
- Q Isolated uniform hollow sphere of mass M and radius R has a point mass m placed at its centre as shown in figure Find out the work done in moving...
- Q 2 6 The earth s radius is R and acceleration due to gravity at its surface is g If a body of mass m is sent to a height of...
- Q 4 Zero A plumb line is suspended from a ceiling of a car moving with a horizontal acceleration of 10 m s The angle of inclination of plumb line with...
- Q A satellite is moving on a circular orbit around a planet A sharp impulse is given to the satellite such that it escapes from the gravitational field of the planet...
- Q Acceleration due to gravity on the surface of earth is g Acceleration due to gravity on the surface o another planet of same density but radius half tha of earth...
- Q If the gravitational field in a certain region of space is zero then the potential difference between any two points in this region is zero B 2 the potential of...
- Q 3 3v 1 The 1 Let the minimum external work done in shifting a particle from centre of earth to earth s surface be w and that from surface of...
- Q A planet is revolving around the sun as shown in elliptical path The correct option is B LIBY A S C The time taken in travelling DAB is less than...
- Q 18 A body has been thrown with a speed v from the surface of the earth which is double the escape speed v from the surface of the earth The...
- Q A satellite is moving in a circular orbit of radius round the earth Which of the following statements is incorrect LAT Its angular momentum varies as 2 Its linear momentum...
- Q A particle bob of mass 1 kg is performing vertical circular motion Then 1 3 4 orrect Answer 4 ur Answer 3 m 1 Power delivered by tension at point...
- Q As shown in figure when a spherical cavity centred at O of radius 1 is cut out of a uniform sphere of radius R centred at C the centre of...
- Q 2 A particle of mass m moves under the action of central force whose potential is V r Kmr 0 then 65 09 i For what kinetic energy and angular...
- Q 4 The radius of newly discovered planet is 3 times 14 that of the earth but having same density If acceleration due to gravity on surface of the earth is...
- Q 2 25 An artificial satellite is moving in a circular orbit around the earth with a speed equal to half the magnitude of escape velocity from the earth If the...
- Q Two spacecraft of masses m and m are flying with their engines off in the gravitational field of a star of mass M that is much larger than masses of...
- Q Q 5 The distance between the centres of moon and earth is D The mass of earth is 81 times the mass of moon At which point between the earth...
- Q Two stationary massive spherical objects each with mass M are separated by a d Describe the position velocity and acceleration a For a particle of mass m at d 2...
- Q A cannon fires a projectile as shown in figure The dashed line shows the trajectory in the absence of gravity and the solid line shows the trajectory in the presence...
- Q A space vehicle moving in a circular orbit of radius r1 transfer to a larger circular orbit of radius r2 by means of an elliptical path between A and B...
- Q 19 A body projected vertically from the earth reaches a height equal to earth s radius before returning to the earth The power exerted by the gravitational force is greatest...
- Q Example 2 The rate of a clock in a spaceship Aakashganga is observed from earth to be 5 13 of the rate of the clocks on earth If both Aakashganga...
- Q A planet is revolving around the sun in an elliptical orbit of eccentricity If t and to are the time taken by 4 t the planet in going along ACB...
- Q A mass m travelling at speed V in a straight line from far away is deflected when it passes near by a black hole of mass M which is at...
- Q A particle of mass m is projected with velocity from the surface of the earth In list 1 different ranges of the speed of the particle are given in P...
- Q 12 There are three arrangement of three point masses each of mass m In which of the following three arrangements they are arranged in order of increasing magnitude of gravitational...
- Q A block of negligible dimensions and mass m is rigidly attached at P to a ring of mass 3m and radius r The system is released from rest at 8...
- Q 1 A black hole is an object whose gravitational field is so strong that even light cannot escape from it To what approximate radius would earth mass 5 98 x...
- Q A uniform cylindrical rod of mass m and density po is having a point mass m at its bottom end m is just the minimum value of mass so that...
- Q A particle is thrown with escape velocity v from the surface of earth Calculate its velocity at heigh 3 R AIIMS 2012 1 9 25 km s 3 11 2...
- Q 7 The orbital velocity of an artificial satellite in a circular orbit just above the earth s surface is v The orbital velocity of satellite orbiting at an altitude of...
- Q 5 Two solid spherical planets of equal radii R having masses 4M and 9M their centre are separated by a distance 6R A projectile of mass m is sent from...
- Q A projectile of mass m is thrown vertically up with an initial velocity v from the surface of earth mass of earth M If it comes to rest at a...
- Q AMU 9 Read the following statements S An object shall weigh more at pole than at equator when weighed by using a physical balance S It shall weigh the same...
- Q Mars has a diameter of approximately 0 5 of that of earth and mass of 0 1 of that of earth The surface gravitational field strength on mars as compared...
- Q 12 A geostationary satellite is orbiting the earth at a height of 6R from the earth s surface R is the earth s radius What is the period of rotation...
- Q SolveLancer Test The reading of spring balance when measuring weight of body is double at pole compared to the reading taken at equator of planet X If the velocity of...
- Q Solvelancer Test What is the time taken by a planetary body to cover an area of 4 million square km if the time taken by the same planetary body to...
- Q A small satellite is in elliptical orbit around the earth as shown L 2 Earth 1 denotes the magnitude of its angular momentum and K denotes its kinetic energy If...
- Q 2 If the size of the Earth were to shrink diameter decreases overnight without any change in its mass would you get up in the morning and find yourself heavier...
- Q Figure shows a planet in an elliptical orbit around the sun S Where the kinetic energy of the planet is maximum P3 1 P 2 P2 Question Type Single Correct...
- Q great height 8 A is a above the hole in the earth dug along its diameter a The motion of the particle is simple harmonic b The motion of the...
- Q Consider two solid spheres of radii R Im R 2m and masses M and M respectively The gravitational field due to sphere 1 and 2 are shown The value of...
- Q Q 17 A body is projected vertically upwards from the surface of earth with a velocity sufficien enough to carry it to infinity The time taken by it to reach...
- Q At a smooth horizontal table are two identical cubes of mass m connected by a spring of rigidity k The length of spring in the unstretched state is lo The...
- Q 20 A satellite of mass m revolves around the earth of radius R 20 m at a height x from its surface If g is the acceleration due to gravity...
- Q 7 A body is projected vertically upwards from the surface of a planet of radius R with a velocity equal to half of the escape velocity for that planet The...
- Q orrectly represents the ratio gi d go a X2 p 6 p 6 X 4 p 6 p 6 p 6 p 6 p 6 p 6 1 25 1...
- Q 1 The magnitude of the gravitational force experienced by a small spaceship of mass M inside an inter galactic dust cloud assumed to be spherically symmetric but not necessarily uniform...
- Q 34 Three corners of a square have charges 1 2 5 esu What charge should be placed on the fourth corner so that the potential at the centre of the...
- Q 5 Four particles each of mass m are placed corners of a square of side a The potentia centre of square will be 1 Zero 2 4 2 Gm a...
- Q A ball of mass m is thrown vertically upward in air The time of ascent is t and time of descent is ta air resistance is taken into account Choose...
- Q Two satellites Si and S2 revolve round a pla the same direction in circular orbits periods of revolutions are 1 hour and 8 rospoctively The radius of Sy is 10...
- Q The escape velocity from the Earth s surface is u The escape velocity from the surface of another planet having a radius four times that of Earth and same mass...
- Q If I go above the Earth s surface and sta y at a fixed point for more than 12 hour s and than come back to Earth s surfac e...
- Q A person of mass 80 kg jumps from a height of 1 m and foolishly forgets to buckle his knees as he lands His body decelerates over a distance of...
- Q Two identical spheres of mass M and radius R are held fixed and separated by a distance D A small projectile of mass m is fired with initial velocity V...
- Q A body of mass m and radius r falls on earth from a great height If M is mass and R is the radius of earth while Rthen the acceleration...
- Q A satellite moves in a circle around the earth The radius of this circle is equal to one half of the radius of the moon s orbit The satellite completes...
- Q A particle rests on the top of a hemisphere of radius R Find the smallest horizontal velocity that must be imparted to the particle if it is to leave the...
- Q A tunnel is dug across the earth along a chord AB as shown A particle is projected inside the tunnel from end A with an initial velocity vo 3g R...
- Q 4 60 A coil in the shape of an equilateral triangle of side 0 02m is suspended from a vertex such that it is hanging in a vertical plane between...
- Q With what velocity should a particle be projected 32 Is from the surface of earth so that its maximum height from surface of earth becomes equal to radius of earth...
- Q Largest and smallest distance of a satellite from center of planet are given by Rmax and Rmin respectively At these two positions speeds are given Vmin and Vmax respectively The...
- Q The variation of the gravitational potential V for the uniform solid sphere of mass M and radius R with distance r from the centre is bes represented as IM R...
- Q 35 Acceleration due to gravity in a planet having same shape compared to the Earth but two greater density than earth will be acceleration due to gravity in earth surface...
- Q Three identical bodies of equal mass M each are moving along a circle of radius R under the action of their mutual gravitational attraction the speed of each body is...
- Q Fo 7 A satellite is revolving on a circular path round a planet of mass M at a distance R OP from its centre O When satellite is at point...
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