Category: Class-11-Physics

NCERT Solutions and extra questions for class 11 Physics

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rinku singh

A spring is a mechanical device that stores and releases energy. It follows Hooke’s law, where the force needed to compress or stretch it is proportional to the displacement. Springs are commonly used in various applications such as shock absorbers, ...

rinku singh

Potential energy is the energy stored in an object due to its position or configuration. It depends on factors like height in gravitational fields or the arrangement of charged particles in electric fields. Examples include a lifted object possessing gravitational ...

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A copper rope is a strong and flexible material made by twisting multiple copper strands together. Known for its excellent conductivity and durability, it is widely used in electrical wiring, grounding, and industrial applications. Copper rope resists corrosion and provides ...

rinku singh

Proportional refers to a relationship between two quantities where a change in one causes a corresponding change in the other. If two quantities are directly proportional, they increase or decrease together. Inversely proportional means one increases as the other decreases. ...