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The difference between a level line and a horizontal line is that
  • a)
    level line is a curved line while horizontal line is a straight line
  • b)
    level line is normal to plumb line while horizontal line may not be normal to plump line at the tangent point to level line
  • c)
    horizontal line is normal to plumb line while level line may not be normal to the plumb line
  • d)
    both are same
Correct answer is option 'A'. Can you explain this answer?
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The difference between a level line and a horizontal line is thata)lev...
Level Line vs Horizontal Line

Definition of Level Line and Horizontal Line:

- Level Line: A level line is a curved line on the Earth's surface that is perpendicular to the plumb line at all points. It represents a line of constant elevation or altitude.
- Horizontal Line: A horizontal line is a straight line on a plane that is perpendicular to the vertical or plumb line. It represents a line of constant height or depth.

Difference between Level Line and Horizontal Line:

- Shape: A level line is a curved line, while a horizontal line is a straight line.
- Orientation: A level line is perpendicular to the plumb line at all points, while a horizontal line is perpendicular to the vertical or plumb line only at its tangent point.
- Meaning: A level line represents a line of constant elevation or altitude, while a horizontal line represents a line of constant height or depth.

Examples:

- A contour line on a topographic map is a level line because it connects points of equal elevation.
- The horizon is a horizontal line because it represents the line where the sky meets the earth.

Conclusion:

Level lines and horizontal lines are different in terms of shape, orientation, and meaning. A level line is a curved line on the Earth's surface that is always perpendicular to the plumb line, while a horizontal line is a straight line on a plane that is perpendicular to the vertical or plumb line only at its tangent point.
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Community Answer
The difference between a level line and a horizontal line is thata)lev...
Level line lies on the earth surface due to which it is curved line.
horizontal line makes the tangent on level line so it is straight line
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The difference between a level line and a horizontal line is thata)level line is a curved line while horizontal line is a straight lineb)level line is normal to plumb line while horizontal line may not be normal to plump line at the tangent point to level linec)horizontal line is normal to plumb line while level line may not be normal to the plumblined)both are sameCorrect answer is option 'A'. Can you explain this answer?
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