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.
How do we consider a Constitution rigid or flexible?
Based upon the provisions made for its amendment Based upon Constitutional Supremacy Based upon Parliamentary Supremacy Based upon Judicial Review
×
On the basis of amendments, a constitution can be classified into the categories of rigid and flexible. A rigid constitution is one that can't be amended easily, i.e., the US Constitution. A flexible constitution is one that can be amended easily, i.e., Britain.
In which of these constellations does the current Pole Star, Polaris, lie?
Ursa Minor Orion Ursa Major Corona Borealis
×
Ursa Minor, or the 'Little Bear', is a relatively conspicuous constellation, visible from the latitudes 90 degrees North to 10 degrees South. It is 'circum-polar', i.e. always visible in the sky, above 20 degrees North latitude.
Who was the first temporary chairman of the Constituent Assembly?
BN Rau Harendra Coomar Mookerjee Dr. Sachchidananda Sinha Dr. Rajendra Prasad
×
Dr. Sachchidananda Sinha was appointed as the interim(temporary) chairman of the Constituent Assembly.
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.
⬅ Prev Next ➡
