Physics – Gravitation – MCQs TEST (Maharashtra HSC Board)
Physics – Gravitation – TEST (MCQs Maharashtra HSC Board)
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#1 If the distance between Earth and the sun is increased by three time then the attraction between the two will
#2 An Earth satellite S has an orbital radius which is 4 times that of a communication satellite C. The period of revolution of S is
#3 The escape velocity of a projectile form Earth is approximately
#4 The escape velocity for a rocket form Earth is 11.2 km/s. Its value on a planet where acceleration due to gravity is double that on the Earth and the diameter of the planet is twice that of Earth will be
#5 If the Earth Is t one fourth of its present distance from the Sun, the duration of the year will be
#6 The atmosphere is held to the Earth by
#7 A weigh is suspended from the ceiling of a lift by a spring balance. When the lift is stationary the spring balance reads W. if the lift suddenly falls freely under gravity, the reading on the spring balance will be
#8 A body weight 700 g-wt on Earth’s surface. How much will it weight on the surface of a planet whose mass is 1/7th and the radius is same as that of the Earth
#9 If the radius of Earth contracts 2% of its mass remains the same, then weight of the body at the Earth’s surface
#10 A man inside an artificial satellite feels weightlessness because the force of attraction due to Earth is
#11 If a small satellite is revolving near Earth’s surface, its orbital velocity will be nearly
#12 Which of the following is the evidence to show that there must be a force acting on Earth and directed towards the Sun
#13 If the distance between two masses is doubled, the gravitational attraction between them
#14 If the Earth stops rotating, the value of ‘G’ at the equator will
#15 If a satellite is orbiting the Earth very close to its surface, then the orbital velocity mainly depends on