Physics questions
20027 published questions with worked solutions.
- Let g_h and g_d be the acceleration due to gravity at height h above the earth's surface and at depth d below the earth's...
- A body of mass m is raised to a height 10R from the surface of the earth, where R is the radius of the earth. The increase in...
- Calculate angular velocity of the earth, so that acceleration due to gravity at 60^ latitude becomes zero. (Take, radius of the...
- The mass of earth is 81 times that of the moon and the radius of the earth is 3.5 times that of the moon. The ratio of the escape...
- Which of the following is the evidence to show that there must be a force acting on the earth and directed towards the sun?...
- If the density of a small planet is the same as that of the earth, while the radius of the planet is 0.2 times that of the earth,...
- If the density of the earth is doubled keeping radius constant, find the new acceleration due to gravity. (Take, g=9.8 m ,s^ -2 )...
- In a satellite, if the time of revolution is T, then KE is proportional to [MHTCET 2015]
- If g is the acceleration due to gravity on earth's surface, the gain of the potential energy of an object of mass m raised from...
- The acceleration due to gravity on the planet A is 9 times the acceleration due to gravity on planet B. A man jumps to a height...
- Kepler's second law states that the straight line joining the planet to the sun sweeps out equal areas in equal times. This...
- A body is projected upwards with a velocity of 4 11.2 km ,s^ -1 from the surface of earth. What will be the velocity of the body...
- The ratio of acceleration due to gravity at a height 3R above earth's surface to the acceleration due to gravity on the surface...
- The binding energy of a satellite of mass m in an orbit of radius r is (where, R = radius of earth and g = acceleration due to...
- The distance between centre of the earth and moon is 384000 km. If the mass of the earth is 6 10^ 24 kg and G=6.66 10^ -11 N ,m^2...
- Kepler's second law states that the straight line joining the planet to the sun sweeps out equal areas in equal times. This...
- The acceleration due to gravity on the planet A is 9 times the acceleration due to gravity on planet B. A man jumps to a height...
- If g is the acceleration due to gravity on earth's surface, the gain of the potential energy of an object of mass m raised from...
- Let 'g_h' and 'g_d' be the acceleration due to gravity at height 'h' above the earth's surface and at depth 'd' below the earth's...
- Two particles of masses 'm' and '9m' are separately by a distance 'r'. At a point on the line joining then the gravitational...