Which of the following pairs is/are correctly matched? Theory/Law — Associated Scientist; 1. Continental Drift — Edwin Hubble; 2. Expansion of Universe — Alfred Wegener; 3. Photoelectric Effect — Albert Einstein
Options
(a)2 and 3 only
(b)3 only
(c)2 only
(d)1 only
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Class 11The Origin and Evolution of the Earth— NCERT Geography, Chapter 2. Early theories explained only the earth and planets: the nebular hypothesis of Kant, revised by Laplace (1796) and again by Otto Schmidt and Carl Weizsäcker (1950), had…
Class 11Distribution of Oceans and Continents— NCERT Geography, Chapter 4. Continents (29% of the surface) and oceans have not always been where they are. Wegener's continental drift theory (1912) said one supercontinent, Pangaea, ringed by…
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