यदि एक हाइड्रोजन परमाणु अपनी मूल अवस्था में है, तो बोहर त्रिज्या a0 के फलन के रूप में संकारक (operator) (r2 - xy - z2) का प्रत्याशा मान (expectation value) किसके द्वारा दिया जाता है?

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?