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 is called the father of macroeconomics?
- Alfred Marshall
- John Maynard Keynes
- Adam Smith
- Leon Walras
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Macroeconomics as a modern discipline began with the publication of John Maynard Keynes's General Theory of Employment, Interest, and Money where he offered a new theory of economics that evolved into Keynesian economics.
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.
Who was the Constitutional Advisor of the Constituent Assembly?
- Dr. Sachinand Sinha
- Dr. B.N. Rau
- Dr. Rajendra Prasad
- H.C. Mukherjee
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Sir Benegal Narsing Rau CIE was an Indian civil servant, jurist, diplomat and statesman known for his key role in drafting the Constitution of India. He was the Constitutional Advisor to the Constituent Assembly.
Which article if the Indian Constitution abolishes untouchability?
- Article 30
- Article 17
- Article 19
- Article 21
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Abolition of Untouchability. To make an untouchability law further strong, parliament passed an Untouchability Offenses Act in 1955. However, this act was further amended and also renamed in the year of 1976 as Protection of the Civil Rights Act, 1955.
