Centre of Mass & Rotational Motion · JEE Main previous year questions

2024 28 questions

1. Q562024 · 27 Jan 2024 · Shift 1· Numerical answer
   
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   Answer: 16

2. Q352024 · 27 Jan 2024 · Shift 2

   A heavy iron bar of weight $12\text{ kg}$ is having its one end on the ground and the other on the shoulder of a man. The rod makes an angle $60^{\circ }$ with the horizontal, the normal force applied by the man on bar is :

   1. A.$3\text{ kg-wt}$
   2. B.$6\text{ kg-wt}$
   3. C.$6\sqrt{3}\text{ kg-wt}$
   4. D.$12\text{ kg-wt}$
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   Answer: A

3. Q452024 · 27 Jan 2024 · Shift 2

   When a polaroid sheet is rotated between two crossed polaroids then the transmitted light intensity will be maximum for a rotation of :

   1. A.$90^{\circ }$
   2. B.$30^{\circ }$
   3. C.$45^{\circ }$
   4. D.$60^{\circ }$
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   Answer: C