Geography · Physics

Geodesy and Celestial Mechanics

1,049 Questions

Geodesy and celestial mechanics questions explore Earth measurements, great circles, and planetary motions. These concepts form a crucial part of physical geography and astronomy in competitive exams. Practice these questions to grasp longitudinal and latitudinal calculations.

Longitude and latitude calculationsGreat circle conceptEarths axial precessionLagrangian pointsAtmosphere boundary

Geodesy and Celestial Mechanics Questions

Multiple choice physics study of sound types of waves sound as a wave of disturbance sound waves are longitudinal waves

The moon is at a distance of $4\, \times\, 10^8\, m$ from the earth. What is the nature of radar signal transmitted from earth?

  1. Remain fixed

  2. Vibrate to and fro about their mean position

  3. Move along the wave

  4. Change their positions permanently
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

radar signal is a example of EM wave . so the signal will vibrate to and fro about mean position

so the answer is B.

Multiple choice geography inside our earth the earth's structure structure of the earth our world components of earth earth and structure

The term that best describes the shape of the earth is _____________.

  1. Ellipse

  2. Geoid

  3. Globe

  4. Sphere
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Because the Earth rotates, it bulges at the equator and is flattened at the poles. The term 'geoid' describes this specific shape, which represents the Earth's gravitational equipotential surface.

Multiple choice components of earth geography inside our earth the earth's structure structure of the earth our world earth and structure

What is the thickness of the lithosphere?

  1. 250 km

  2. 200 km

  3. 150 km

  4. 100 km
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The topmost layer of the earth is solid, the thinnest, and the lightest and is known as the lithosphere. The thickness of the lithosphere of about 100 km. It is mostly composed of granite. The lithosphere has two layers - the outer layer and the inner layer.

Multiple choice geography australia - location, political divisions and physical features australia australia australia - geographical features

Which latitude passes through the center of Australia?

  1. Equator

  2. Tropic of cancer

  3. Tropic of Capricorn

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Tropic of Capricorn lies at 23.5 degrees south of the equator and runs through Australia, Chile, southern Brazil (Brazil is the only country that passes through both the equator and a tropic), and northern South Africa.

Multiple choice geography africa - location, political divisions and physical features study of africa africa africa - the central continent cocoa cultivation in ghana

Which of the following latitude passes through Africa?

  1. The equator

  2. Tropic of Cancer

  3. Tropic of Capricorn

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Africa is the most centrally located of all the continents. The prime meridian (the Greenwich meridian) 0o passes through the Atlas Mountains and cuts through the coast of West Africa close to Accra, while the Equator (latitude 0 degrees) also divides the continent into 2 equal parts North and South.

Multiple choice geography africa - location, political divisions and physical features study of africa africa africa - the central continent cocoa cultivation in ghana

What is the latitudinal extent of the continent of Africa?

  1. $20^0N-30^0S$
  2. $30^0N-37^0S$
  3. $37^0N-35^0S$
  4. $30^0N-50^0S$
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Latitudinal Extent of Africa is $37^0N$ to $35^0S$ whereas the longitudinal extent being $51^0E$ to $16^0W$. It is one of the most populated continent. Also it is the second largest continent measuring about 30.3 million km2 with about 54 countries in it and approximately 3000 native languages.

Multiple choice geography africa - location, political divisions and physical features study of africa africa africa - the central continent cocoa cultivation in ghana

What is the longitudinal extent of Africa? 

  1. $10^0W-35^0E$
  2. $15^0W-40^0E$
  3. $16^0W-51^0E$
  4. $20^0W-55^0E$
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Latitudinal Extent of Africa is $37^0N$ to $35^0S$ whereas the longitudinal extent being $51^0E$ to $16^0W$. It is one of the most populated continent. Also it is the second largest continent measuring about 30.3 million km2 with about 54 countries in it and approximately 3000 native languages.