Which functions are used to represent the oblate ellipsoidal shape of the Earth?

Which functions are used to represent the oblate ellipsoidal shape of the Earth? Correct Answer Spherical Harmonics

The Earth’s mass is unevenly distributed and in order to model the planet’s surface, sphericalharmonics is used. It helps in modeling the surface of the earth and the varied gravitational field along the latitude and longitude.
Bissoy MCQ

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Which two classes use the Shape class correctly?
A. public class Circle implements Shape { private int radius; }B. public abstract class Circle extends Shape { private int radius; }C. public class Circle extends Shape { private int radius; public void draw(); }D. public abstract class Circle implements Shape { private int radius; public void draw(); }E. public class Circle extends Shape { private int radius; public void draw() { /* code here */ } }F. public abstract class Circle implements Shape { private int radius; public void draw() { /* code here */ } }
3/4th of square were taken to form shape A and the rest was made to form shape B. Shape A was divided into four equal squares (Shape C), what will be the ratio of the one shape C to one shape B.
As per the RBI Act, 1934, the following functions are described as the functions of a Central Bank:
1. Banking functions
2. Advisory functions
3. Supervisory functions
4. Promotional functions
Identify the correct combination:
The Earth is an oblate spheroid and not a perfect sphere. This is because
1. the Earth has a rotational motion and the rotational speed increases as one goes from the Poles towards the Equator.
2. the Equator experiences greater gravitational pull from the Sun.
3. the intensity of sunlight received at the Equator is greater than that at the Poles.
Which of the following is not a proof of Earth being an oblate spheroid?
Assertion (A) It has been suggested that while roles answer the question 'how to be interfaced with other people to reach our goals'? Functions answer the question 'what do you do to accomplish our goals'?
Reason (R) Roles are more relational while functions go beyond inter-personal relations. Functions such as planning, decision-making etc may not necessarily involve working with others and several managerial functions can be performed without communication with people.
Which of the following is the variation of acceleration due to gravity at a depth “d” below the earth’s surface? Let “R” be the radius of the earth and “M1” the mass of earth. (Assume the density of the earth to be constant) /d c) g = (G x M1/R3) / (R – d) d) g = (G x M1/R3) x (R – d)
The orbital velocity of a satellite orbiting the earth is half the escape velocity of the earth. What is the height above the surface of the earth at which it is orbiting? (Let the radius of the earth (R) = 6400 km).
Which of these statements are correct?
1. Earth is the fourth largest planet of the solar system
2. Earth's circumference is about 45000 km
3. Earth's polar diameter is about 43 km shorter than its equatorial diameter
4. Earth has a total surface area of 510 million sq.km
Which of these statements are correct regarding the atmosphere of the earth:
1. It is enveloping the earth because of gravity.
2. Its density decreases with increasing height from the surface of the earth.
3. Its characteristic composition is same throughout its height.
4. Amount of pressure it exerts on earth's surface at sea level is called one atm sphere.