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.
If there is a deadlock between Rajya Sabha and Lok Sabha over an ordinary bill, it will be resolved by
- The President
- The Council of Ministers
- The Joint Session of Parliment
- The Supreme Court
The Joint Session of Parliament resolves the deadlock between Rajya Sabha and Lok Sabha over an ordinary bill.
Who was the Prime Minister of the British Empire during the 1857 revolt?
- William Pitt
- Charles Grey
- William Lamb
- Lord Palmerston
Henry John Temple, 3rd Viscount Palmerston was a British statesman who served twice as a Prime Minister in the mid-19th century. Palmerston dominated British foreign policy during the period 1830 to 1865 when Britain was at the height of its imperial power. He held office almost continuously from 1807 until his death in 1865.
Who proposed the theory of the expanding universe?
- Georges Lemaitre
- Galileo Galilei
- Edwin Hubble
- Claudius Ptolemy
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.
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.
