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Gravitational Fields - Class XII

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Multiple Choice

Electrical, as well as gravitational affects, can be thought to be caused by fields. Which of the following is true of an electrical or gravitational field?

  1. The field concept is often used to describe contact forces
  2. Gravitational or electric field does not exist in the space around an object
  3. Fields are useful for understanding forces acting through a distance
  4. There is no way to verify the existence of a force field since it is just a concept
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