Physics
General
Easy
Question
If the radius of the earth were to shrink by 1% its mass remaing the same, the accelration due, to gravity on the earth's surface would
- remain Unchanged
- increase by 2%
- increases by 1%
The correct answer is: increase by 2%
Related Questions to study
maths-
Conserve the following statements:
A: Angle between 
Conserve the following statements:
A: Angle between
maths-General
physics
Suppose the gravitational force varies inversely as the nth power of distance the time period of planet in circular orbit of radius R around the sun will be proportional to
Suppose the gravitational force varies inversely as the nth power of distance the time period of planet in circular orbit of radius R around the sun will be proportional to
physicsGeneral
physics-
and 
Find 
and Find
physics-General
physics
A thin uniform annular disc (See figure) of mass M has outer radius 4R and inner radius 3R. The work required to take a unit mass from point on its axix to infinity is....
A thin uniform annular disc (See figure) of mass M has outer radius 4R and inner radius 3R. The work required to take a unit mass from point on its axix to infinity is....
physicsGeneral
chemistry-
Aluminium chloride exists as dimer, 
in solid state as well as in solution of non-polar solvents such as benzene. When dissolved in water, it gives
Aluminium chloride exists as dimer, in solid state as well as in solution of non-polar solvents such as benzene. When dissolved in water, it gives
chemistry-General
chemistry-
Which of the following is a non-metal.</strong
Which of the following is a non-metal.</strong
chemistry-General
physics
What does not change in the field of central force
What does not change in the field of central force
physicsGeneral
physics
If r denotes the distance between the sun and the earth, then the angular momentum of the earth around the sun is proportional to
If r denotes the distance between the sun and the earth, then the angular momentum of the earth around the sun is proportional to
physicsGeneral
physics-
Which from the following is a scalar ?
Which from the following is a scalar ?
physics-General
physics-
In the above figure 
and 
are two vectors. What from followings is true
In the above figure and are two vectors. What from followings is true
physics-General
physics-
As shown in figure, the block of 2 kg at one end and the other of 3 kg at the other end of a light string are connected. It the system remains stationary find the magnitude and direction of the frictional force, 
As shown in figure, the block of 2 kg at one end and the other of 3 kg at the other end of a light string are connected. It the system remains stationary find the magnitude and direction of the frictional force,
physics-General
physics-
A block of mass 300 kg is set into motion on a frictionless horizontal surface with the help of frictionless pulley and a rope system as shown in figure. What horizontal force F should be applied to produce in the block an acceleration of 
A block of mass 300 kg is set into motion on a frictionless horizontal surface with the help of frictionless pulley and a rope system as shown in figure. What horizontal force F should be applied to produce in the block an acceleration of
physics-General
physics
The radius of orbit of a planet is two times that of earth. The time period of planet is....... years.
The radius of orbit of a planet is two times that of earth. The time period of planet is....... years.
physicsGeneral
physics
If the velocity of planet is given by v=G4 Mb R' then
If the velocity of planet is given by v=G4 Mb R' then
physicsGeneral
Physics-
A goods train is moving with constant acceleration. when engine passes through a signal its speed is 
. Midpoint of the train passes the signal with speed 
. What will be the speed of the last wagon?
A goods train is moving with constant acceleration. when engine passes through a signal its speed is . Midpoint of the train passes the signal with speed . What will be the speed of the last wagon?
Physics-General
