Big bang theory was proposed by
- Georges Lemaitre
- Hermann Bondi
- Thomas Gold
- Hoyle
Georges Lemaitre was a Belgian cosmologist, Catholic priest, and father of the Big Bang theory.
Which theory explains the origin of the universe?
- Geocentric Model
- Heliocentricity
- Big Bang Theory
- Pulsating Theory
The Big Bang was 13.8 billion years ago when the universe began as a tiny, dense, fireball that exploded.
Who is called the father of macroeconomics?
- Alfred Marshall
- John Maynard Keynes
- Adam Smith
- Leon Walras
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.
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.
When was Jana Gana Mana adopted as our national anthem?
- 25 January 1950
- 24 January 1950
- 26 January 1950
- 26 November 1949
On 24 January 1950, ‘Jana Gana Mana’ was adopted as the national anthem.
