Category: Class-11-Physics

NCERT Solutions and extra questions for class 11 Physics

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bindu

A mechanical spring-ball system demonstrates energy storage and transfer. The spring stores potential energy when compressed or stretched which is released to propel the ball. This principle is widely used in toys mechanical systems and energy-absorbing devices to convert stored ...

bindu

Elasticity: Elasticity is the property of a material to regain its original shape and size after the removal of applied force. It obeys Hooke’s Law within the elastic limit. Plasticity: Plasticity is the property of a material to undergo permanent ...

kokila

Displacement is a vector quantity that measures the shortest straight-line distance between an object’s initial and final positions. It includes both magnitude and direction, distinguishing it from distance. Displacement is essential in motion analysis as it represents the change in ...