Physics question and answers for May 08, 2024
- Q A rocket is fired vertically with a speed of 5 km s 1 from the earth s surface How far from the earth does the rocket go before returning to...
- Q Two heavy spheres each of mass 100 kg and radius 0 10 m are placed 1 0 m apart on a horizontal table What is the gravitational force and potential...
- Q lustration 21 A narrow tunnel is dug along the diameter of the earth and a particle of R distance from the centre Find the escape speed mass mo is placed...
- Q 11 A satellite is moving with a constant speed v in circular orbit around the earth An object of mass m is ejected from the satellite such that it just...
- Q An artificial satellite of mass m of a planet of mass M revolves in a circular orbit whose radius is n times the radius R of planet In the process...
- Q Dis cuss A particle of mass m moves on the axis of a ring of radius R and mass M If particle at rest is released from P then its...
- Q 21 Gravitational potential in a region is given by v 3x 4y 12z J kg The modulus of gravitational field at x 1 y 0 z 3 is 1 20...
- Q A body of mass m is situated at distance 4R abov the earth s surface where R is the radius of eart how much minimum energy be given to the...
- Q A body of mass M is divided into two parts one of mass m and another of mass M m The two pieces are kept at a distance What should...
- Q Imagine a light planet revolving around a very heavy star in a circular path The radius of the orbit R and the time period of revolution T If the gravitational...
- Q Binding energy of a planet and star is increased then 1 Potential energy increased 2 Potential energy decreased 3 Kinetic energy decreased 4 Kinetic and potential energy both remains MO...
- Q As you have learnt in the text a geostationary satellite orbits the earth at a height of nearly 36 000 km from the surface of the earth What is the...
- Q The mass and the diameter of the planet Jupiter are 309 times and 11 times the mass and the diameter of the earth respectively Determine the acceleration due to gravity...
- Q The radius of the planet Jupiter is 71000 km and the escape velocity from the surface of this planet is 59 6 km s Determine the acceleration due to gravity...
- Q magnitude of the electric force acting on each charge X 3 An a particle is the nucleus of a helium atom It has a mass m 6 64 10 27...
- Q shows a square current carrying loop ABCD of side 2m and current i A The A magnetic moment M of the loop is Z B A y 30 1 3k...
- Q A body of mass m is raised to a height h from a point on the surface of the earth where the acceleration due to gravity is g Prove that...
- Q As represented in the diagram below an object of mass m located on the surface of the Moon is attracted to the Moon with a gravitational force F Not drawn...
- Q Two point masses having mass M and 4M are placed at distance r The gravitational potential at a point where gravitational field intensity zero is 1 3 9GM r 3GM...
- Q If the kinetic energy of a satellite orbiting around the earth is doubled then A the satellite will escape into the space B the satellite will fall down on the...
- Q The escape velocity for a planet is v A particle starts from rest at a large distance from the plane the planet only under gravitational attraction and passes through a...
- Q A satellite of mass m is orbiting the eart of radius R at a heighth from its surface The tot energy of the satellite in terms of go the value...
- Q 36 The gravitational potential at surface of ea The mass of the earth is M and its radius R Find gravitational potential at centre of earth 1 Zero 2 3...
- Q d m For a body to have its apparent weight at the equator to be zero the earth should rotate about its axis faster than its present value by a...
- Q The acceleration due to gravity at a hill station is less by 0 05 with respect to that at sea level What is the height of that hill station The...
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