Al-Bairuni discovered the radius of the earth which was:
- (A) 6000 km
- (B) 6255 km
- (C) 6338 km
- (D) 6585 km
- (C) 6338 km
“Phases of Moon” are caused by the:
- (A) Rotation of moon
- (B) Revolution of moon
- (C) Rotation of earth
- (D) Revolution of earth
- (C) Rotation of earth
Who suggested the earth moves around the sun?
- (A) Kepler
- (B) Newton
- (C) Copernicus
- (D) Galileo
- (C) Copernicus
The sudden shocks of the Earth’s surface is called:
- (A) Tsunami
- (B) Shocks
- (C) Earthquakes
- (D) Cyclone
- (C) Earthquakes
“Lunar eclipse” occurs only on a:
- (A) New moon day
- (B) First quarter day
- (C) Full moon day
- (D) Last quarter day
- (C) Full moon day
What is “Heliocentric Theory”?
- (A) Sun is the center of the universe
- (B) Moon is the center of the universe
- (C) Saturn is the center of the universe
- (D) Earth is the center of the universe
- (A) Sun is the center of the universe
On returning back to earth, a satellite “Skylab” was broken into pieces in:
- (A) 1955
- (B) 1964
- (C) 1979
- (D) 1987
- (C) 1979
Who proved that Earth is rotating?
- (A) Leon Foucault
- (B) James Jeans
- (C) Stephen Hawking
- (D) Isaac Newton
- (A) Leon Foucault
During December 22 nd the Sun is vertically over:
- (A) The Equator
- (B) Tropic of Cancer
- (C) Tropic of Capricorn
- (D) The South Poles
- (C) Tropic of Capricorn
Equinox occurs when the sun is vertically above:
- (A) The Poles
- (B) The Equator
- (C) Tropic of Cancer
- (D) Tropic of Capricorn
- (B) The Equator