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.
Fundamental Rights are described in which articles of Indian Constitution?
- Article 12 to 35
- Article 14 to 32
- Article 14 to 35
- Article 12 to 32
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Article 12 to 35 contained in Part III of the Constitution deals with Fundamental Rights.
When did the East India Company?
- 31st December, 1600
- 13th December, 1598
- 31th December, 1609
- 11th December, 1603
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On 31 December 1600, the British East India Company received a Royal Charter from the British monarch Elizabeth I to trade with the East Indies. Later, the company colonized the Indian subcontinent.
What is the pulsating theory of the universe?
- A cosmological model that combines both the Big Bang and the Big Crunch as part of a cyclical event
- An expansion and contraction of the star as a whole in a regular periodic pulsation
- All the matter of the universe was present in a single place in the form of hot and dense fireball
- Counting of the galaxies is constant and new galaxies which are forming continuously are filling the empty spaces
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Sir J.C. Bose proposed a theory of the ascent of sap known as the pulsation theory. The Pulsating Universe Theory says that the universe follows self-sustaining cycles such as expanding and contrasting.
Who is considered as the father of economics?
- Alfred Marshall
- Adam Smith
- David Ricardo
- Esther Duflo
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Adam Smith was an 18th-century Scottish philosopher. He is considered the father of modern economics. He published “The Wealth of Nations” in 1776.