The Earth is farthest from the sun at the Aphelion on:
- (A) 4th June
- (B) 4th July
- (C) 4th August
- (D) 4th September
- (B) 4th July
Only _______ surface of Moon is directly visible from Earth.
- (A) 49%
- (B) 59%
- (C) 69%
- (D) 79%
- (B) 59%
The metal which is most abundant in the Earth’s crust is:
- (A) Silicon
- (B) Iron
- (C) Aluminum
- (D) Oxygen
- (C) Aluminum
The second most abundant element metal found in the Earth’s crust is:
- (A) Iron
- (B) Calcium
- (C) Sodium
- (D) Aluminum
- (A) Iron
Which of the following statement is correct?
- (A) Lunar soil is white
- (B) Lunar soil is black
- (C) Lunar soil is greyish
- (D) Lunar soil is mustered
- (C) Lunar soil is greyish
What is the acceleration (Approximate) due to Earth’s gravity?
- (A) 12 feet per sec sq.
- (B) 22 feet per sec sq.
- (C) 32 feet per sec sq.
- (D) 42 feet per sec sq.
- (C) 32 feet per sec sq.
The acceleration due to gravity is:
- (A) Not effected by the latitude
- (B) Effected by the rotation of the earth
- (C) Not effected by the rotation of the earth
- (D) More at the equator than at the poles
- (B) Effected by the rotation of the earth
Approximate age of the Earth is _______ million years.
- (A) 2500
- (B) 3500
- (C) 4500
- (D) 5500
- (C) 4500
What speed is needed by a rocket to escape from earth’s gravity?
- (A) 3 miles per second
- (B) 5 miles per second
- (C) 7 miles per second
- (D) 9 miles per second
- (C) 7 miles per second
What is the name of the central part of the Earth?
- (A) Core
- (B) Crater
- (C) Lava
- (D) Magma
- (A) Core