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PhysicsJEE Main 4 Apr 2026, Shift 2·Q10·MCQ·Moderate

Oscillations · Oscillating systems

A uniform disc of radius RR and mass MM is free to oscillate about the axis A as shown in the figure. For small oscillations the time period is . (gg is acceleration due to gravity)
  1. (1)2π5R4g2\pi\sqrt{\dfrac{5R}{4g}}
  2. (2)2π2R3g2\pi\sqrt{\dfrac{2R}{3g}}
  3. (3)2π3R2g2\pi\sqrt{\dfrac{3R}{2g}}
  4. (4)2π3Rg2\pi\sqrt{\dfrac{3R}{g}}

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