Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Rotational Motion question

2005 · Shift 0 · Q181
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Physics
  4. /Rotational Motion
  5. /2005 · Shift 0 · Q181

Rotational Motion question

2005 · Shift 0 · Q181

JEE MainPhysicsRotational MotionMCQ+4 / −1
The moment of inertia of a uniform semicircular disc of mass MMM and radius rrr about a line perpendicular to the plane of the disc through the center is
  1. A
    25Mr2{2 \over 5}M{r^2}52​Mr2
  2. B
    14Mr{1 \over 4}Mr41​Mr
  3. C
    12Mr2{1 \over 2}M{r^2}21​Mr2
  4. D
    Mr2M{r^2}Mr2
PreviousNext

More from Rotational Motion

  • One solid sphere A and another hollow sphere B are of same mass and same outer radii. Their moment of inertia about their diameters are respectively IA​ and IB​ such that2004 · MCQ
  • A solid sphere is rotating in free space. If the radius of the sphere is increased keeping mass same which on of the following will not be affected ?2004 · MCQ
  • A particle performing uniform circular motion has angular frequency is doubled & its kinetic energy halved, then the new angular momentum is2003 · MCQ
  • Let F be the force acting on a particle having position vector r, and τ be the torque of this force about the origin. Then2003 · MCQ
  • A circular disc X of radius R is made from an iron plate of thickness t, and another disc Y of radius 4R is made from an iron plate of thickness 4t​. Then the relation between the moment of inertia IX​ and IY​ is2003 · MCQ
  • Moment of inertia of a circular wire of mass M and radius R about its diameter is2002 · MCQ
  • Initial angular velocity of a circular disc of mass M is ω1​. Then two small spheres of mass m are attached gently to diametrically opposite points on the edge of the disc. What is the final angular velocity of the disc?2002 · MCQ
  • A solid sphere, a hollow sphere and a ring are released from top of an inclined plane (frictionless) so that they slide down the plane. Then maximum acceleration down the plane is for (no rolling)2002 · MCQ