Question

Two concentric circles are of radii 3cm & 5cm with center ‘O’ and AB is the chord of larger circle which touches the smaller circle at P then the length of the chord AB = *
1 point

4cm
3cm
5cm
8 cm​

Answer 1

law of conservation. Conservation law, also called law of conservation, in physics, several principles that state that certain physical properties (i.e., measurable quantities) do not change in the course of time within an isolated physical system.