Why does a star produce its own light and heat?
Nuclear fission Nuclear fusion Chemical reaction None
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Stars are huge celestial bodies made mostly of hydrogen and helium. Heat and light energy produced by the stars are due to the fusion reaction of hydrogen atoms.
Who proposed the theory of the expanding universe?
Georges Lemaitre Galileo Galilei Edwin Hubble Claudius Ptolemy
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American astronomer Edwin Hubble discovered in the 1920s that the Universe is expanding by showing that most galaxies are receding from the Milky Way and the farther away they are, the faster they are receding.
By whom and when did the idea of a constituent assembly was first proposed
Dr. Sachinand Sinha, 1949 Dr. Rajendra Prasad, 1949 Dr. B.R Ambedkar, 1946 M.N. Roy, 1934
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The idea of a constituent assembly was first proposed in 1934 by M.N. Roy. However, the actual constituent assembly was formed in 1946 on the basis of the cabinet mission plan.
Procedure for Amendment in Indian Constitution is given in which article?
Article 332 Article 318 Article 368 Article 364
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Article 368 in Part 20 of the Constitution deals with the power of parliament to amend the constitution and its procedures. The procedure of amending the constitution has been adopted from the constitution of South Africa.
Name the economist who gave the theory of “Comparative Advantage.”
Adam Smith David Ricardo Thomas Robert Malthus Amartya Sen
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David Ricardo was a classical economist best known for his theory on wages and profit, the labor theory of value, the theory of comparative advantage, and the theory of rents.
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