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PhysicsJEE Main 28 Jan 2026, Shift 2·Q12·MCQ·Easy–moderate

Rotational Motion · Rotational kinematics and torque

When the position vector r⃗=xi^+yj^+zk^\vec r = x\hat i + y\hat j + z\hat k changes sign as −r⃗-\vec r, which one of the following vectors will not flip under sign change?
  1. (1)Linear momentum
  2. (2)Velocity
  3. (3)Acceleration
  4. (4)Angular momentum
We corrected a printing error in the original paper

Source printed “which one of the following vector”.

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