The branch of Physics which deals with properties of gravitational?
Correct answer: A. Field theory
- A. Field theory
- B. Acoustics
- C. Hydro dynamic
- D. Optics
Explanation
Field theory studies physical fields and their properties, and gravitational physics treats the gravitational field produced by mass. Acoustics is the likely distractor because it is also a named branch of physics, but it concerns sound rather than gravitation.
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About Electric Field
An electric field is the force experienced per unit positive test charge, with the field of a point charge given by E = kQ/r² and directed away from positive charges or toward negative charges. Questions involve field lines, superposition and force on a charge, while electric field must be distinguished from electric potential.
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