Physics questions
20027 published questions with worked solutions.
- For a close orbiting satellite period (T) of a satellite is in proportional to the density of planet ( ) as:
- The spin motion of earth is double the present then the acceleration due to gravity at pole becomes:
- A physical balance is used to measure:
- It is not possible to launch a geostationary satellite overhead New Delhi Airport because:
- The values of the acceleration of free fall g on the surface of two planets are the same provided that the planets have the same...
- When the planet comes nearer the sun moves:
- The period of geostationary artificial satellite is:
- The life period of synchronous satellite is about:
- If v_e= escape velocity, v_0= orbital velocity and v= velocity of an object around the earth, then the total mechanical energy of...
- The plane of the orbit of an earth satellite:
- A satellite orbits around the earth in a circular orbit with a speed v and orbital radius r. If it loses some energy, then v and...
- A satellite is orbiting at a certain height in a circular orbit. If the mass of the planet is reduced to half the initial value,...
- If a satellite is orbiting the earth very close to its surface, then the orbital velocity mainly depends on
- A satellite revolves around the earth in an elliptical orbit. Its speed
- If g_h is the acceleration due to gravity at a height h above the earth's surface and R is the radius of the earth then, the...
- A satellite moving along a circular orbit, a larger orbit corresponds to
- Two satellite of masses m_1 and m_2 such that (m_1>m_2) are revolving round the earth in circular orbits of radius r_1 and r_2...
- Critical velocity of the orbiting satellite is, independent of
- The escape velocity is:
- Which of the following is independent of mass of satellite?