Q96 / 180 · AIIMS 2004 · Physics

In an orbital motion, the angular momentum vector is

  • A
    along the radius vector
  • B
    parallel to the linear momentum
  • C
    in the orbital plane
  • Correct answer
    D
    perpendicular to the orbital plane.

Solution

In orbital motion, the angular momentum vector is perpendicular to the plane in which the rotational motion take place and its sense is given by the right hand fist rule. When the fingers of right hand fist point in the direction of motion, the thumb is in the direction of $\vec{L}$ (angular momentum).

Hence, the correct answer is option: 'D'.

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