Physics
General
Easy

Question

What does not change in the field of central force

  1. potential energy
  2. Kinetic energy
  3. linear momentum
  4. Angular momentum

The correct answer is: Angular momentum

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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 stack P with minus on top and stack Q with rightwards arrow on top 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, open parentheses g equals 10 text end text m s to the power of 2 end exponent close parentheses

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, open parentheses g equals 10 text end text m s to the power of 2 end exponent close parentheses

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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 1 text end text m s to the power of negative 1 end exponent ?

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 1 text end text m s to the power of negative 1 end exponent ?

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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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A goods train is moving with constant acceleration. when engine passes through a signal its speed is U. Midpoint of the train passes the signal with speed V. 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 U. Midpoint of the train passes the signal with speed V. What will be the speed of the last wagon?

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The period of moon's rotation around the earth is nearly 29 days. If moon's mass were 2 fold its present value and all other things remained unchanged the period of moon’s rotation would be nearly .....days

The period of moon's rotation around the earth is nearly 29 days. If moon's mass were 2 fold its present value and all other things remained unchanged the period of moon’s rotation would be nearly .....days

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A particle moves with a constant acceleration 2 m/s. Its intial velocity is 10 ms. Fad velocity after second.

A particle moves with a constant acceleration 2 m/s. Its intial velocity is 10 ms. Fad velocity after second.

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The maximum and minimum distance of a comet from the sun are 8cross times 10 to the power of 12m and  1.6cross times 10 to the power of 12 m. If its velocity when nearest to the sun is 60ms-1, What will be its velocity in ms-1 when it is farthest ?

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Least ionic character is found in

Least ionic character is found in

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Alkaline earth metals belong to the

Alkaline earth metals belong to the

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Arrange the  values of the following in ascending order Error converting from MathML to accessible text.

Error converting from MathML to accessible text. is perpendicular to Error converting from MathML to accessible text.

C) Angle between Error converting from MathML to accessible text.  is acute then least positive integral value of lambda equals

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Error converting from MathML to accessible text. is perpendicular to Error converting from MathML to accessible text.

C) Angle between Error converting from MathML to accessible text.  is acute then least positive integral value of lambda equals

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Which one of the following is the strongest base

Which one of the following is the strongest base

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