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#	Question	Subject and topic	Difficulty
4861	Rising on the toes is an example of a second-class lever because	Physical Education/National Cadet Corps (NCC)/Yoga Levers in sport	Medium
4862	A lever has an effort arm of 0.6 m and a load arm of 0.2 m. What is its mechanical advantage?	Physical Education/National Cadet Corps (NCC)/Yoga Levers in sport	Medium
4863	Most levers in the human body are third class. What advantage does this give in throwing and striking?	Physical Education/National Cadet Corps (NCC)/Yoga Levers in sport	Hard
4864	Two point charges of 2 μC and 3 μC are placed 0.3 m apart in vacuum. The force between them is:	Physics Electric charge and Coulomb’s law	Easy
4865	If the distance between two point charges is halved, the Coulomb force between them becomes:	Physics Electric charge and Coulomb’s law	Easy
4866	How many electrons together carry a total charge of magnitude 1 C?	Physics Electric charge and Coulomb’s law	Medium
4867	A glass rod rubbed with silk becomes positively charged because:	Physics Electric charge and Coulomb’s law	Medium
4868	Two charges exert a force of 8 N on each other in air. When placed at the same separation in a medium of diel…	Physics Electric charge and Coulomb’s law	Hard
4869	The electric field at a distance of 0.2 m from a point charge of 4 nC in vacuum is:	Physics Electric field and dipoles	Easy
4870	An electric dipole of moment 2 × 10⁻⁸ C m is placed at 30° to a uniform field of 5 × 10⁴ N/C. The torque on i…	Physics Electric field and dipoles	Medium
4871	A dipole placed in a uniform electric field experiences:	Physics Electric field and dipoles	Easy
4872	At large distances, the electric field of a short dipole varies with distance r as:	Physics Electric field and dipoles	Medium
4873	At the same large distance from a short dipole, the ratio of the axial field to the equatorial field is:	Physics Electric field and dipoles	Hard
4874	A closed surface encloses a net charge of 8.85 nC. The total electric flux through it is about:	Physics Gauss’s theorem	Easy
4875	The electric field inside a uniformly charged thin spherical shell is:	Physics Gauss’s theorem	Easy
4876	A very long straight wire carries a uniform charge of 2 μC per metre. The field at 0.1 m from it is about:	Physics Gauss’s theorem	Medium
4877	The electric field due to an infinite plane sheet of uniform charge density σ:	Physics Gauss’s theorem	Medium
4878	A charge q is placed at the centre of a cube. The electric flux through any one face of the cube is:	Physics Gauss’s theorem	Hard
4879	The electric potential at a distance of 0.5 m from a point charge of 5 nC is:	Physics Electric potential	Easy
4880	The work done in moving a charge of 2 μC between two points with a potential difference of 50 V is:	Physics Electric potential	Easy