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...
- Two satellites of same mass are launched in circular orbits at heights 'R' and '2R' above the surface of the earth. The ratio of...
- At a height 'R' above the earth's surface the gravitational acceleration is (R = radius of earth, g = acceleration due to gravity...
- The mass of a spherical planet is 4 times the mass of the earth, but its radius (R) is same as that of the earth. How much work...
- The radius of a planet is twice the radius of the earth. Both have almost equal average mass densities. If 'V_P' and 'V_E' are...
- The depth 'd' below the surface of the earth where the value of acceleration due to gravity becomes (1/n) times the value at the...
- A body is projected from earth's surface with thrice the escape velocity from the surface of the earth. What will be its velocity...
- The depth at which acceleration due to gravity becomes g/n is [R = radius of earth, g = acceleration due to gravity, n = integer]...
- A body is raised to a height nR above the surface of the earth of radius R. The ratio of gravitational acceleration on earth's...
- The potential energy of a circularly orbiting satellite around the earth at height 'h' from the earth's surface, is given by P....
- Find the height from the surface of earth at which gravitational potential is -4.8 10^ 7 J ,kg^ -1 and value of 'g' is 6 m/s^2...
- Two bodies of masses 2M and 8M are placed at a distance 'r' apart. The gravitational potential at a point on the line joining...
- If the gravitational force varies inversely as the nth power of the distance (R) then the time period of the planet in a circular...
- When the value of acceleration due to gravity 'g' becomes g/3 above the surface of height 'h' then relation between 'h' and 'R'...
- A particle of mass 'm' is kept at rest at a height 3R from the surface of earth, where 'R' is radius of earth and 'M' is the mass...
- For a body of mass 'm', the acceleration due to gravity at a distance 'R' from the surface of the earth is (g/4). Its value at a...
- The mass of a planet is six times that of earth. The radius of the planet is twice that of the earth. If the escape velocity from...
- At a height 'R' above the earth's surface the gravitational acceleration is (R = radius of earth, g = acceleration due to gravity...
- The mass of a spherical planet is 4 times the mass of the earth, but its radius (R) is same as that of the earth. How much work...
- The radius of a planet is twice the radius of the earth. Both have almost equal average mass densities. If 'V_P' and 'V_E' are...