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Formula used in correction for curvature (Cc):
where, d is the distance in km and Cc is in meter
- a)0.007849 d2
- b)0.07849 d2
- c)0.7849 d2
- d)7.849 d2
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Formula used in correction for curvature (Cc):where, d is the distance...
Curvature correction is negative and is given by:
Cc = -0.07849 d2
where,
d is the distance in km
Cc is in meter
Most Upvoted Answer
Formula used in correction for curvature (Cc):where, d is the distance...
Formula for Correction for Curvature (Cc)
The formula for Correction for Curvature (Cc) is given as:
Cc = 0.07849 d^2
where, d is the distance in km and Cc is in meters.
Explanation
The correction for curvature is a correction applied to the level difference between two points when the distance between them is significant. The curvature of the earth causes the level surface to deviate from a straight line, and therefore, the level difference between two points is affected.
The correction for curvature is calculated using the formula mentioned above, where the distance between two points is multiplied by the square of the distance and the result is multiplied by a constant value of 0.07849.
The constant value of 0.07849 is derived from the curvature of the earth, which is assumed to be a perfect sphere. The value of the curvature constant may vary depending on the shape and size of the earth, but for most practical purposes, the constant value of 0.07849 is used.
Conclusion
The correction for curvature is an important correction applied in leveling and surveying to account for the curvature of the earth. The formula for correction for curvature is given as Cc = 0.07849 d^2, where d is the distance between two points in km and Cc is in meters.
The formula for Correction for Curvature (Cc) is given as:
Cc = 0.07849 d^2
where, d is the distance in km and Cc is in meters.
Explanation
The correction for curvature is a correction applied to the level difference between two points when the distance between them is significant. The curvature of the earth causes the level surface to deviate from a straight line, and therefore, the level difference between two points is affected.
The correction for curvature is calculated using the formula mentioned above, where the distance between two points is multiplied by the square of the distance and the result is multiplied by a constant value of 0.07849.
The constant value of 0.07849 is derived from the curvature of the earth, which is assumed to be a perfect sphere. The value of the curvature constant may vary depending on the shape and size of the earth, but for most practical purposes, the constant value of 0.07849 is used.
Conclusion
The correction for curvature is an important correction applied in leveling and surveying to account for the curvature of the earth. The formula for correction for curvature is given as Cc = 0.07849 d^2, where d is the distance between two points in km and Cc is in meters.
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