AIPMT 1999 physics questions with solutions

Showing 1–4 of 4 questions

• MCQmediumRotational Motionmoment of inertia and kinetic energy in pure rotation

  The moment of inertia of a disc of mass M and radius R about an axis tangent to its circumference and parallel to a diameter is:

  Options

  • Option A

    (2/3)MR²

  • Option B

    (3/2)MR²

  • Option C

    (4/5)MR²

  • Option D

    (5/4)MR²

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• MCQeasyCenter of maas , Momentum and Collisioncenter of mass and question based on it

  Three identical metal spheres each of radius r touch one another on a horizontal surface so their centres form an equilateral triangle. The system centre of mass is at:

  Options

  • Option A

    a line joining the centres of any two spheres

  • Option B

    the centre of any one sphere

  • Option C

    the horizontal surface

  • Option D

    the intersection of the triangle medians

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• MCQmediumRotational Motionquestion based on pure rotation about fixed axis

  Find linear velocity $\vec{v}$=$\vec{\omega}$×$\vec{r}$ if $\vec{r}$=(3$\hat{i}-4\hat{j}+\hat{k}$) and $\vec{\omega}$=(5$\hat{i}-6\hat{j}+6\hat{k}$).

  Options

  • Option A

    4$\hat{i}-13\hat{j}+6\hat{k}$

  • Option B

    18$\hat{i}+13\hat{j}-2\hat{k}$

  • Option C

    6$\hat{i}+2\hat{j}-3\hat{k}$

  • Option D

    6$\hat{i}-2\hat{j}+8\hat{k}$

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• MCQmediumGravitationAcceleration Due to Gravity & Escape Velocity

  Which formula gives escape speed of a body from Earth’s surface, with Earth mass Mₑ and radius Rₑ?

  Options

  • Option A

    √(2GMₑm/Rₑ)

  • Option B

    √(2GMₑ/Rₑ)

  • Option C

    √(GMₑ/Rₑ)

  • Option D

    √[(2GMₑ+Rₑ)/Rₑ]

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