Physics questions
20027 published questions with worked solutions.
- The depth below the earth's surface at which the acceleration due to gravity 'g' becomes g/n is (R = radius of the earth, n is an...
- A body is projected vertically, upwards from earth's surface with velocity '2V_e' here 'V_e' is the escape velocity from earth's...
- A body weighs 500 N on the surface of earth. At what distance below the surface of earth it weighs 250 N? (Radius of earth, R =...
- The mass and radius of the earth and moon are M_1, R_1 and M_2, R_2 respectively. Their centres are at a distance 'd' apart. The...
- A satellite of mass 'm' revolving around the earth in a circular orbit of radius 'r' has kinetic energy 'E'. Its angular momentum...
- The ratio of masses of the two planets A and B is 3:25 and the ratio of their radii is 1:3. The ratio of periods of revolutions...
- Suppose the earth increases its speed of rotation, at what new time period, will the weight of a body on the equator become zero?...
- The height above the earth's surface at which the acceleration due to gravity becomes (1/n) times the value at the surface is (R...
- If 'T' is the length of a day on earth, 'M' & 'R' are the mass and radius of the earth respectively, then the height of a...
- At what height from the earth's surface, the gravitational potential and the value of gravitational acceleration are 5.4 10^ 7 J...
- A body of mass 'm' is moving away from the earth's surface, the value of acceleration due to gravity [MHT-CET 2019]
- The total energy of an artificial satellite moving in a circular orbit at some height around the earth is E_0. Its potential...
- Which one of the following statement is not correct about the acceleration due to gravity? (Do not assume earth as a sphere) 1....
- The speed with which the earth would have to rotate about its axis so that a person on the equator would weigh 35th as much as at...
- A body of mass m is dropped from a height h = R/3 where R is the radius of earth. When it will hit the earth, its speed will be...
- If the radius of a planet is 'R' and density is ' ', the escape velocity 'V_e' of any body from its surface will be [MHT-CET 2017]
- A body is thrown from the surface of earth with velocity 'V' m/s. The maximum height above the earth's surface upto which it will...
- If the distance between the sun and the earth is increased 3 times, then attraction between sun and earth will [MHT-CET 2015]
- A body is projected vertically upwards from earth's surface. If its kinetic energy of projection is equal to half of its minimum...
- A body is projected vertically upwards from earth's surface with velocity 2V_e where V_e is escape velocity from earth's surface....