Why does a star produce its own light and heat?
- Nuclear fission
- Nuclear fusion
- Chemical reaction
- None
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 prepared the manuscript of the Constitution of India?
- Shantiniketan
- Nandlal Bose
- Dr. B R Ambedkar
- Prem Behari Narain Raizada
Prem Behari Narain Raizada was an Indian calligrapher. He is notable for being the calligrapher who hand-wrote the Constitution of India.
Name of the first Governor-General of Bengal.
- Warren Hastings
- Lord Dalhousie
- WIlliam Bentick
- Lord Cornwallis
The first Governor-General of Bengal was Warren Hastings, the head of the Supreme Council of Bengal.
Raja Rammohan Roy was the founder of
- Arya Samaj
- Brahmo Samaj
- Ram Krishan Mission
- Prarthna Samaj
On August 20, 1828, the first assembly of the Brahmo Sabha was held at Kolkata (Calcutta).
This Sabha was convened by religious reformer Raja Ram Mohan Roy for his family and friends settled there. Brahmo Samaj is the monotheistic reformist movement of the Hindu religion that appeared during the Bengal Renaissance.
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
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.
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