12651. The known forces of nature can be divided into four classes, viz., gravity, electromagnetism, weak nuclear force and strong nuclear force. With reference to them, which one of the following statements is not correct?
12652. 'Potala Palace', a seven-storeyed structure, is associated with–
12653. 'Operation Sankat Mochan' is associated with–
12654. 'Pokemon GO', which is recently in headlines, is associated with–