Physics
General
Easy
Question
A body of mass m is taken from earth surface to the height h equal to radius of earth, the, increase in potential energy will be
- mg R
- 2mgR2
The correct answer is:
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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
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Conserve the following statements:
A: Angle between 
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A: Angle between
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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
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and 
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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....
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Aluminium chloride exists as dimer, 
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Which of the following is a non-metal.</strong
Which of the following is a non-metal.</strong
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What does not change in the field of central force
What does not change in the field of central force
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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
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Which from the following is a scalar ?
Which from the following is a scalar ?
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In the above figure 
and 
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In the above figure and are two vectors. What from followings is true
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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, 
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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
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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.
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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
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