In a hydrogen-like ion, the energy difference between the second excitation state (n = 3) and the ground state (n = 1) is 108.8 eV. The atomic number (Z) of the ion is:

Which movement aimed to promote Khadi, a hand-spun and handwoven cloth native to India?

Who were prominent leaders associated with the initial phase of the Telangana Rebellion (1946-1951) against the Nizam's rule and feudal landlords?

What was the immediate trigger for the Revolt of 1857?