PDF for physics from the official Punjab Board website. Access chapter-wise details for physics with the link to download the ...

Angular momentum is a fundamental quantity in physics that describes the rotational motion of objects. In quantum physics, it ...

It is possible to make a material emit more radiation than it absorbs, violating the laws of physics in a way that could make ...

A research team led by Dr. Shen Jinhua from the Xinjiang Astronomical Observatory (XAO) of the Chinese Academy of Sciences has investigated rapid spatiotemporal vertical electric currents (VECs) ...

A new material developed at Penn State defies a fundamental law of physics, opening doors to highly efficient solar cells.